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42936825 = 352572491
BaseRepresentation
bin1010001111001…
…0100111111001
32222210102020210
42203302213321
541442434300
64132141333
71030646151
oct243624771
988712223
1042936825
1122267088
1212467849
138b84509
1459b9761
153b82050
hex28f29f9

42936825 has 12 divisors (see below), whose sum is σ = 70989008. Its totient is φ = 22899600.

The previous prime is 42936811. The next prime is 42936841. The reversal of 42936825 is 52863924.

It is a happy number.

It is not a de Polignac number, because 42936825 - 24 = 42936809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286171 + ... + 286320.

Almost surely, 242936825 is an apocalyptic number.

It is an amenable number.

42936825 is a deficient number, since it is larger than the sum of its proper divisors (28052183).

42936825 is a wasteful number, since it uses less digits than its factorization.

42936825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572504 (or 572499 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 42936825 is about 6552.6197051256. The cubic root of 42936825 is about 350.1681504950.

The spelling of 42936825 in words is "forty-two million, nine hundred thirty-six thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 572491 1717473 2862455 8587365 14312275 42936825