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431431934252 = 2211191673090221
BaseRepresentation
bin1100100011100110101…
…10001110000100101100
31112020121020022001212212
412101303112032010230
524032033033344002
6530110323345552
743112166635204
oct6216326160454
91466536261785
10431431934252
11156a73096870
126b7458222b8
13318b75833c7
1416c4a873404
15b3510c4352
hex647358e12c

431431934252 has 48 divisors (see below), whose sum is σ = 872184257280. Its totient is φ = 184671547200.

The previous prime is 431431934251. The next prime is 431431934287. The reversal of 431431934252 is 252439134134.

It is a super-2 number, since 2×4314319342522 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431431934251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405499 + ... + 1684722.

It is an arithmetic number, because the mean of its divisors is an integer number (18170505360).

Almost surely, 2431431934252 is an apocalyptic number.

It is an amenable number.

431431934252 is an abundant number, since it is smaller than the sum of its proper divisors (440752323028).

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

431431934252 is a wasteful number, since it uses less digits than its factorization.

431431934252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090422 (or 3090420 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 431431934252 in words is "four hundred thirty-one billion, four hundred thirty-one million, nine hundred thirty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 11 19 22 38 44 76 167 209 334 418 668 836 1837 3173 3674 6346 7348 12692 34903 69806 139612 3090221 6180442 12360884 33992431 58714199 67984862 117428398 135969724 234856796 516066907 645856189 1032133814 1291712378 2064267628 2583424756 5676735977 9805271233 11353471954 19610542466 22706943908 39221084932 107857983563 215715967126 431431934252