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535123420 = 2251311291823
BaseRepresentation
bin11111111001010…
…101010111011100
31101021221002022221
4133321111113130
52043442422140
6125033315124
716155321406
oct3771252734
91337832287
10535123420
11255077167
1212b265aa4
1386b320a0
14510d9b76
1531ea514a
hex1fe555dc

535123420 has 48 divisors (see below), whose sum is σ = 1211938560. Its totient is φ = 197300736.

The previous prime is 535123409. The next prime is 535123453. The reversal of 535123420 is 24321535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292629 + ... + 294451.

It is an arithmetic number, because the mean of its divisors is an integer number (25248720).

Almost surely, 2535123420 is an apocalyptic number.

It is an amenable number.

535123420 is an abundant number, since it is smaller than the sum of its proper divisors (676815140).

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

535123420 is a wasteful number, since it uses less digits than its factorization.

535123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 535123420 is about 23132.7348145437. The cubic root of 535123420 is about 811.8665585923.

Adding to 535123420 its reverse (24321535), we get a palindrome (559444955).

The spelling of 535123420 in words is "five hundred thirty-five million, one hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1129 1823 2258 3646 4516 5645 7292 9115 11290 14677 18230 22580 23699 29354 36460 47398 58708 73385 94796 118495 146770 236990 293540 473980 2058167 4116334 8232668 10290835 20581670 26756171 41163340 53512342 107024684 133780855 267561710 535123420