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42095825 = 5217372677
BaseRepresentation
bin1010000010010…
…1010011010001
32221012200121122
42200211103101
541234031300
64102132025
71020544232
oct240452321
987180548
1042095825
1121842242
1212121015
13894b795
14583b089
153a67c85
hex28254d1

42095825 has 24 divisors (see below), whose sum is σ = 56784312. Its totient is φ = 30827520.

The previous prime is 42095821. The next prime is 42095831. The reversal of 42095825 is 52859024.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 9102289 + 32993536 = 3017^2 + 5744^2 .

It is not a de Polignac number, because 42095825 - 22 = 42095821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42095821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14387 + ... + 17063.

It is an arithmetic number, because the mean of its divisors is an integer number (2366013).

Almost surely, 242095825 is an apocalyptic number.

It is an amenable number.

42095825 is a deficient number, since it is larger than the sum of its proper divisors (14688487).

42095825 is a wasteful number, since it uses less digits than its factorization.

42095825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 42095825 is about 6488.1295455624. The cubic root of 42095825 is about 347.8668210390.

The spelling of 42095825 in words is "forty-two million, ninety-five thousand, eight hundred twenty-five".

Divisors: 1 5 17 25 37 85 185 425 629 925 2677 3145 13385 15725 45509 66925 99049 227545 495245 1137725 1683833 2476225 8419165 42095825