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42795879 = 374383571
BaseRepresentation
bin1010001101000…
…0001101100111
32222112020220120
42203100031213
541423432004
64125133023
71026521220
oct243201547
988466816
1042795879
11221801a5
12123ba173
138b35309
145980247
153b553d9
hex28d0367

42795879 has 32 divisors (see below), whose sum is σ = 67651584. Its totient is φ = 23556960.

The previous prime is 42795871. The next prime is 42795881. The reversal of 42795879 is 97859724.

It is not a de Polignac number, because 42795879 - 23 = 42795871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42795871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74664 + ... + 75234.

It is an arithmetic number, because the mean of its divisors is an integer number (2114112).

Almost surely, 242795879 is an apocalyptic number.

42795879 is a deficient number, since it is larger than the sum of its proper divisors (24855705).

42795879 is a wasteful number, since it uses less digits than its factorization.

42795879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 1270080, while the sum is 51.

The square root of 42795879 is about 6541.8559293216. The cubic root of 42795879 is about 349.7845721916.

The spelling of 42795879 in words is "forty-two million, seven hundred ninety-five thousand, eight hundred seventy-nine".

Divisors: 1 3 7 21 43 83 129 249 301 571 581 903 1713 1743 3569 3997 10707 11991 24553 24983 47393 73659 74949 142179 171871 331751 515613 995253 2037899 6113697 14265293 42795879