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140631160 = 2351929739
BaseRepresentation
bin10000110000111…
…01110001111000
3100210121210200111
420120131301320
5242000144120
621542114104
73325226245
oct1030356170
9323553614
10140631160
11724232aa
123b11b934
132319b707
141496a5cc
15c52d75a
hex861dc78

140631160 has 48 divisors (see below), whose sum is σ = 333984600. Its totient is φ = 53286336.

The previous prime is 140631143. The next prime is 140631167. The reversal of 140631160 is 61136041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140631167) 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 11 ways as a sum of consecutive naturals, for example, 9571 + ... + 19309.

Almost surely, 2140631160 is an apocalyptic number.

140631160 is a gapful number since it is divisible by the number (10) 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 140631160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166992300).

140631160 is an abundant number, since it is smaller than the sum of its proper divisors (193353440).

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

140631160 is a wasteful number, since it uses less digits than its factorization.

140631160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788 (or 9765 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 140631160 is about 11858.8009511923. The cubic root of 140631160 is about 520.0285487285.

The spelling of 140631160 in words is "one hundred forty million, six hundred thirty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 361 380 722 760 1444 1805 2888 3610 7220 9739 14440 19478 38956 48695 77912 97390 185041 194780 370082 389560 740164 925205 1480328 1850410 3515779 3700820 7031558 7401640 14063116 17578895 28126232 35157790 70315580 140631160