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253026708 = 2231117112757
BaseRepresentation
bin11110001010011…
…10000110010100
3122122010002101120
433011032012110
51004233323313
641035123540
76161456124
oct1705160624
9578102346
10253026708
1111a910790
12708a35b0
134056225c
1425866c84
1517330d23
hexf14e194

253026708 has 48 divisors (see below), whose sum is σ = 681960384. Its totient is φ = 72163840.

The previous prime is 253026707. The next prime is 253026713. The reversal of 253026708 is 807620352.

253026708 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2530267082 = 128045029922634528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

253026708 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253026707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54135 + ... + 58622.

It is an arithmetic number, because the mean of its divisors is an integer number (14207508).

Almost surely, 2253026708 is an apocalyptic number.

It is an amenable number.

253026708 is an abundant number, since it is smaller than the sum of its proper divisors (428933676).

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

253026708 is a wasteful number, since it uses less digits than its factorization.

253026708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112792 (or 112790 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 253026708 is about 15906.8132572178. The cubic root of 253026708 is about 632.4926091821.

The spelling of 253026708 in words is "two hundred fifty-three million, twenty-six thousand, seven hundred eight".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 561 748 1122 2244 112757 225514 338271 451028 676542 1240327 1353084 1916869 2480654 3720981 3833738 4961308 5750607 7441962 7667476 11501214 14883924 21085559 23002428 42171118 63256677 84342236 126513354 253026708