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42725032 = 2372273361
BaseRepresentation
bin1010001011111…
…0111010101000
32222101122201121
42202332322220
541414200112
64123425024
71026104530
oct242767250
988348647
1042725032
1122131a49
1212385174
138b0bcac
1459624c0
153b3e407
hex28beea8

42725032 has 32 divisors (see below), whose sum is σ = 91984320. Its totient is φ = 18224640.

The previous prime is 42725009. The next prime is 42725051. The reversal of 42725032 is 23052724.

It is a junction number, because it is equal to n+sod(n) for n = 42724988 and 42725006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11032 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (2874510).

Almost surely, 242725032 is an apocalyptic number.

It is an amenable number.

42725032 is an abundant number, since it is smaller than the sum of its proper divisors (49259288).

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

42725032 is a wasteful number, since it uses less digits than its factorization.

42725032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42725032 is about 6536.4387857609. The cubic root of 42725032 is about 349.5914470937.

Adding to 42725032 its reverse (23052724), we get a palindrome (65777756).

The spelling of 42725032 in words is "forty-two million, seven hundred twenty-five thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 227 454 908 1589 1816 3178 3361 6356 6722 12712 13444 23527 26888 47054 94108 188216 762947 1525894 3051788 5340629 6103576 10681258 21362516 42725032