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420431200224 = 25372175257493
BaseRepresentation
bin1100001111000111010…
…01101111111111100000
31111012012120110212202020
412013203221233333200
523342020341401344
6521050551421440
742242451144300
oct6074351577740
91435176425666
10420431200224
111523384a7542
1269595684880
133085345c929
14164c5851600
15ae0a43c719
hex61e3a6ffe0

420431200224 has 144 divisors (see below), whose sum is σ = 1359335588688. Its totient is φ = 113057107968.

The previous prime is 420431200181. The next prime is 420431200249. The reversal of 420431200224 is 422002134024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 420431200194 and 420431200203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2548779 + ... + 2708714.

It is an arithmetic number, because the mean of its divisors is an integer number (9439830477).

Almost surely, 2420431200224 is an apocalyptic number.

It is an amenable number.

420431200224 is an abundant number, since it is smaller than the sum of its proper divisors (938904388464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420431200224 is a wasteful number, since it uses less digits than its factorization.

420431200224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257537 (or 5257522 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 420431200224 its reverse (422002134024), we get a palindrome (842433334248).

The spelling of 420431200224 in words is "four hundred twenty billion, four hundred thirty-one million, two hundred thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 49 51 56 68 84 96 98 102 112 119 136 147 168 196 204 224 238 272 294 336 357 392 408 476 544 588 672 714 784 816 833 952 1176 1428 1568 1632 1666 1904 2352 2499 2856 3332 3808 4704 4998 5712 6664 9996 11424 13328 19992 26656 39984 79968 5257493 10514986 15772479 21029972 31544958 36802451 42059944 63089916 73604902 84119888 89377381 110407353 126179832 147209804 168239776 178754762 220814706 252359664 257617157 268132143 294419608 357509524 441629412 504719328 515234314 536264286 588839216 625641667 715019048 772851471 883258824 1030468628 1072528572 1177678432 1251283334 1430038096 1545702942 1766517648 1876925001 2060937256 2145057144 2502566668 2860076192 3091405884 3533035296 3753850002 4121874512 4290114288 4379491669 5005133336 6182811768 7507700004 8243749024 8580228576 8758983338 10010266672 12365623536 13138475007 15015400008 17517966676 20020533344 24731247072 26276950014 30030800016 35035933352 52553900028 60061600032 70071866704 105107800056 140143733408 210215600112 420431200224