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140271264 = 25367859
BaseRepresentation
bin10000101110001…
…01111010100000
3100202221112000000
420113011322200
5241402140024
621530300000
73322200060
oct1027057240
9322845000
10140271264
11721a7971
123ab87600
13230a3963
14148b53a0
15c4abcc9
hex85c5ea0

140271264 has 168 divisors, whose sum is σ = 473749920. Its totient is φ = 40030848.

The previous prime is 140271259. The next prime is 140271317. The reversal of 140271264 is 462172041.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 162867 + ... + 163725.

It is an arithmetic number, because the mean of its divisors is an integer number (2819940).

Almost surely, 2140271264 is an apocalyptic number.

140271264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140271264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236874960).

140271264 is an abundant number, since it is smaller than the sum of its proper divisors (333478656).

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

140271264 is an frugal number, since it uses more digits than its factorization.

140271264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140271264 is about 11843.6170150845. The cubic root of 140271264 is about 519.5845597020.

The spelling of 140271264 in words is "one hundred forty million, two hundred seventy-one thousand, two hundred sixty-four".