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42492707 = 1723108677
BaseRepresentation
bin1010001000011…
…0001100100011
32221221212000222
42202012030203
541334231312
64114433255
71024116305
oct242061443
987855028
1042492707
1121a93444
121229282b
138a5a31a
145901975
153ae5672
hex2886323

42492707 has 8 divisors (see below), whose sum is σ = 46948896. Its totient is φ = 38253952.

The previous prime is 42492691. The next prime is 42492713. The reversal of 42492707 is 70729424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42492707 - 24 = 42492691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42492727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53948 + ... + 54729.

It is an arithmetic number, because the mean of its divisors is an integer number (5868612).

Almost surely, 242492707 is an apocalyptic number.

42492707 is a deficient number, since it is larger than the sum of its proper divisors (4456189).

42492707 is a wasteful number, since it uses less digits than its factorization.

42492707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108717.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42492707 is about 6518.6430336382. The cubic root of 42492707 is about 348.9566397419.

The spelling of 42492707 in words is "forty-two million, four hundred ninety-two thousand, seven hundred seven".

Divisors: 1 17 23 391 108677 1847509 2499571 42492707