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249310038 = 2373569201
BaseRepresentation
bin11101101110000…
…10101101010110
3122101010021002010
432313002231112
51002310410123
640423325050
76115046265
oct1667025526
9571107063
10249310038
1111880235a
126b5b0786
133c860643
142517a5dc
1516d49993
hexedc2b56

249310038 has 16 divisors (see below), whose sum is σ = 505451376. Its totient is φ = 81964800.

The previous prime is 249310037. The next prime is 249310067. The reversal of 249310038 is 830013942.

It is a super-2 number, since 2×2493100382 = 124310990095122888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 249309987 and 249310014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249310037) 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, 284163 + ... + 285038.

It is an arithmetic number, because the mean of its divisors is an integer number (31590711).

Almost surely, 2249310038 is an apocalyptic number.

249310038 is an abundant number, since it is smaller than the sum of its proper divisors (256141338).

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

249310038 is a wasteful number, since it uses less digits than its factorization.

249310038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569279.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 249310038 is about 15789.5547118974. The cubic root of 249310038 is about 629.3804592237.

The spelling of 249310038 in words is "two hundred forty-nine million, three hundred ten thousand, thirty-eight".

Divisors: 1 2 3 6 73 146 219 438 569201 1138402 1707603 3415206 41551673 83103346 124655019 249310038