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42752776 = 2311485827
BaseRepresentation
bin1010001100010…
…1101100001000
32222110001210011
42203011230020
541421042101
64124201304
71026251443
oct243055410
988401704
1042752776
1122150880
1212399234
138b1b801
14596c65a
153b47751
hex28c5b08

42752776 has 16 divisors (see below), whose sum is σ = 87449040. Its totient is φ = 19433040.

The previous prime is 42752761. The next prime is 42752779. The reversal of 42752776 is 67725724.

It is not an unprimeable number, because it can be changed into a prime (42752779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242826 + ... + 243001.

It is an arithmetic number, because the mean of its divisors is an integer number (5465565).

Almost surely, 242752776 is an apocalyptic number.

It is an amenable number.

42752776 is an abundant number, since it is smaller than the sum of its proper divisors (44696264).

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

42752776 is a wasteful number, since it uses less digits than its factorization.

42752776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485844 (or 485840 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 42752776 is about 6538.5606978906. The cubic root of 42752776 is about 349.6671011542.

The spelling of 42752776 in words is "forty-two million, seven hundred fifty-two thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 11 22 44 88 485827 971654 1943308 3886616 5344097 10688194 21376388 42752776