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42250113 = 331579967
BaseRepresentation
bin1010000100101…
…0111110000001
32221111112021000
42201022332001
541304000423
64105322213
71022056113
oct241127601
987445230
1042250113
1121938154
1212196369
1389a3a89
14587b3b3
153a98843
hex284af81

42250113 has 16 divisors (see below), whose sum is σ = 62997760. Its totient is φ = 27984528.

The previous prime is 42250097. The next prime is 42250147. The reversal of 42250113 is 31105224.

It is not a de Polignac number, because 42250113 - 24 = 42250097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42250163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745 + ... + 9222.

It is an arithmetic number, because the mean of its divisors is an integer number (3937360).

Almost surely, 242250113 is an apocalyptic number.

It is an amenable number.

42250113 is a deficient number, since it is larger than the sum of its proper divisors (20747647).

42250113 is a wasteful number, since it uses less digits than its factorization.

42250113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133 (or 10127 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42250113 is about 6500.0086923019. The cubic root of 42250113 is about 348.2912989018.

Adding to 42250113 its reverse (31105224), we get a palindrome (73355337).

The spelling of 42250113 in words is "forty-two million, two hundred fifty thousand, one hundred thirteen".

Divisors: 1 3 9 27 157 471 1413 4239 9967 29901 89703 269109 1564819 4694457 14083371 42250113