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424497960 = 233258913249
BaseRepresentation
bin11001010011010…
…101001100101000
31002120202201201200
4121103111030220
51332132413320
6110042244200
713343113245
oct3123251450
91076681650
10424497960
111a8688667
12ba1b6660
1369c3b133
14405405cc
1527402290
hex194d5328

424497960 has 96 divisors (see below), whose sum is σ = 1395225000. Its totient is φ = 111919104.

The previous prime is 424497919. The next prime is 424497961. The reversal of 424497960 is 69794424.

It can be written as a sum of positive squares in 4 ways, for example, as 225180036 + 199317924 = 15006^2 + 14118^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (424497961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25416 + ... + 38664.

Almost surely, 2424497960 is an apocalyptic number.

424497960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424497960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697612500).

424497960 is an abundant number, since it is smaller than the sum of its proper divisors (970727040).

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

424497960 is a wasteful number, since it uses less digits than its factorization.

424497960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13355 (or 13348 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 424497960 is about 20603.3482715795. The cubic root of 424497960 is about 751.5511364228.

The spelling of 424497960 in words is "four hundred twenty-four million, four hundred ninety-seven thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 89 90 120 178 180 267 356 360 445 534 712 801 890 1068 1335 1602 1780 2136 2670 3204 3560 4005 5340 6408 8010 10680 13249 16020 26498 32040 39747 52996 66245 79494 105992 119241 132490 158988 198735 238482 264980 317976 397470 476964 529960 596205 794940 953928 1179161 1192410 1589880 2358322 2384820 3537483 4716644 4769640 5895805 7074966 9433288 10612449 11791610 14149932 17687415 21224898 23583220 28299864 35374830 42449796 47166440 53062245 70749660 84899592 106124490 141499320 212248980 424497960