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140941956 = 22319161493
BaseRepresentation
bin10000110011010…
…01101010000100
3100211012121000110
420121221222010
5242040120311
621552513020
73330662331
oct1031515204
9324177013
10140941956
1172615861
123b24b770
132327a00c
1414a0b988
15c5908a6
hex8669a84

140941956 has 24 divisors (see below), whose sum is σ = 330591744. Its totient is φ = 46733920.

The previous prime is 140941939. The next prime is 140941979. The reversal of 140941956 is 659149041.

It is a super-2 number, since 2×1409419562 = 39729269922211872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28455 + ... + 33038.

It is an arithmetic number, because the mean of its divisors is an integer number (13774656).

Almost surely, 2140941956 is an apocalyptic number.

It is an amenable number.

140941956 is an abundant number, since it is smaller than the sum of its proper divisors (189649788).

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

140941956 is a wasteful number, since it uses less digits than its factorization.

140941956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61691 (or 61689 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 140941956 is about 11871.8977421472. The cubic root of 140941956 is about 520.4113559627.

It can be divided in two parts, 1409 and 41956, that added together give a triangular number (43365 = T294).

The spelling of 140941956 in words is "one hundred forty million, nine hundred forty-one thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 2292 61493 122986 184479 245972 368958 737916 11745163 23490326 35235489 46980652 70470978 140941956