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42145795 = 516575087
BaseRepresentation
bin1010000011000…
…1100000000011
32221022020011101
42200301200003
541242131140
64103155231
71021143016
oct240614003
987266141
1042145795
112187683a
1212145b17
138968453
14585137d
153a7799a
hex2831803

42145795 has 8 divisors (see below), whose sum is σ = 50615424. Its totient is φ = 33689664.

The previous prime is 42145783. The next prime is 42145799. The reversal of 42145795 is 59754124.

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 42145795 - 211 = 42143747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42145799) 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, 5742 + ... + 10828.

It is an arithmetic number, because the mean of its divisors is an integer number (6326928).

Almost surely, 242145795 is an apocalyptic number.

42145795 is a deficient number, since it is larger than the sum of its proper divisors (8469629).

42145795 is a wasteful number, since it uses less digits than its factorization.

42145795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6749.

The product of its digits is 50400, while the sum is 37.

The square root of 42145795 is about 6491.9792821604. The cubic root of 42145795 is about 348.0044121297.

The spelling of 42145795 in words is "forty-two million, one hundred forty-five thousand, seven hundred ninety-five".

Divisors: 1 5 1657 5087 8285 25435 8429159 42145795