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42075292 = 2271502689
BaseRepresentation
bin1010000010000…
…0010010011100
32221011122110011
42200200102130
541232402132
64101453004
71020430330
oct240402234
987148404
1042075292
1121828876
1212111164
13894232c
1458337c0
153a61b47
hex282049c

42075292 has 12 divisors (see below), whose sum is σ = 84150640. Its totient is φ = 18032256.

The previous prime is 42075247. The next prime is 42075301. The reversal of 42075292 is 29257024.

42075292 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751317 + ... + 751372.

Almost surely, 242075292 is an apocalyptic number.

It is an amenable number.

42075292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42075292 is a wasteful number, since it uses less digits than its factorization.

42075292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502700 (or 1502698 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42075292 is about 6486.5470012943. The cubic root of 42075292 is about 347.8102523960.

The spelling of 42075292 in words is "forty-two million, seventy-five thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 1502689 3005378 6010756 10518823 21037646 42075292