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42929025 = 352572387
BaseRepresentation
bin1010001111000…
…0101110000001
32222210000112220
42203300232001
541442212100
64132041253
71030614336
oct243605601
988700486
1042929025
1122261237
1212463229
138b80ab9
1459b698d
153b7eaa0
hex28f0b81

42929025 has 12 divisors (see below), whose sum is σ = 70976112. Its totient is φ = 22895440.

The previous prime is 42928987. The next prime is 42929041. The reversal of 42929025 is 52092924.

It is not a de Polignac number, because 42929025 - 210 = 42928001 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 286119 + ... + 286268.

It is an arithmetic number, because the mean of its divisors is an integer number (5914676).

Almost surely, 242929025 is an apocalyptic number.

It is an amenable number.

42929025 is a deficient number, since it is larger than the sum of its proper divisors (28047087).

42929025 is a wasteful number, since it uses less digits than its factorization.

42929025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572400 (or 572395 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 42929025 is about 6552.0244962912. The cubic root of 42929025 is about 350.1469451002.

The spelling of 42929025 in words is "forty-two million, nine hundred twenty-nine thousand, twenty-five".

Divisors: 1 3 5 15 25 75 572387 1717161 2861935 8585805 14309675 42929025