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42431752 = 2311482179
BaseRepresentation
bin1010000111011…
…1010100001000
32221211202102101
42201313110020
541330304002
64113243144
71023443506
oct241672410
987752371
1042431752
1121a51670
12122634b4
138a3865c
1458c7676
153ad2587
hex2877508

42431752 has 16 divisors (see below), whose sum is σ = 86792400. Its totient is φ = 19287120.

The previous prime is 42431737. The next prime is 42431759. The reversal of 42431752 is 25713424.

It is a self number, because there is not a number n which added to its sum of digits gives 42431752.

It is not an unprimeable number, because it can be changed into a prime (42431759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241002 + ... + 241177.

It is an arithmetic number, because the mean of its divisors is an integer number (5424525).

Almost surely, 242431752 is an apocalyptic number.

It is an amenable number.

42431752 is an abundant number, since it is smaller than the sum of its proper divisors (44360648).

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

42431752 is a wasteful number, since it uses less digits than its factorization.

42431752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482196 (or 482192 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 42431752 is about 6513.9659194687. The cubic root of 42431752 is about 348.7897026180.

It can be divided in two parts, 4243 and 1752, that added together give a palindrome (5995).

The spelling of 42431752 in words is "forty-two million, four hundred thirty-one thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 482179 964358 1928716 3857432 5303969 10607938 21215876 42431752