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253471734 = 23317276113
BaseRepresentation
bin11110001101110…
…10101111110110
3122122221200212000
433012322233312
51004342043414
641052440130
76165321435
oct1706725766
9578850760
10253471734
1112009507a
1270a79046
1340689999
142594111c
15173bcb09
hexf1babf6

253471734 has 32 divisors (see below), whose sum is σ = 596406240. Its totient is φ = 79520256.

The previous prime is 253471727. The next prime is 253471739. The reversal of 253471734 is 437174352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253471739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137139 + ... + 138974.

It is an arithmetic number, because the mean of its divisors is an integer number (18637695).

Almost surely, 2253471734 is an apocalyptic number.

253471734 is an abundant number, since it is smaller than the sum of its proper divisors (342934506).

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

253471734 is a wasteful number, since it uses less digits than its factorization.

253471734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276141 (or 276135 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 253471734 is about 15920.7956459468. The cubic root of 253471734 is about 632.8632035203.

The spelling of 253471734 in words is "two hundred fifty-three million, four hundred seventy-one thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 276113 552226 828339 1656678 2485017 4693921 4970034 7455051 9387842 14081763 14910102 28163526 42245289 84490578 126735867 253471734