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42500977 = 197443487
BaseRepresentation
bin1010001000100…
…0001101110001
32221222021101021
42202020031301
541340012402
64114535441
71024152361
oct242101561
987867337
1042500977
1121a99682
1212297581
138a6100c
1459049a1
153ae7d37
hex2888371

42500977 has 8 divisors (see below), whose sum is σ = 42901056. Its totient is φ = 42103152.

The previous prime is 42500963. The next prime is 42500989. The reversal of 42500977 is 77900524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42500977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42500947) 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, 87028 + ... + 87514.

It is an arithmetic number, because the mean of its divisors is an integer number (5362632).

Almost surely, 242500977 is an apocalyptic number.

It is an amenable number.

42500977 is a deficient number, since it is larger than the sum of its proper divisors (400079).

42500977 is a wasteful number, since it uses less digits than its factorization.

42500977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 42500977 is about 6519.2773372514. The cubic root of 42500977 is about 348.9792764437.

The spelling of 42500977 in words is "forty-two million, five hundred thousand, nine hundred seventy-seven".

Divisors: 1 197 443 487 87271 95939 215741 42500977