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140956740 = 22335261031
BaseRepresentation
bin10000110011011…
…01010001000100
3100211020100022000
420121231101010
5242041103430
621553105300
73331053411
oct1031552104
9324210260
10140956740
1172625981
123b258230
1323283972
1414a13108
15c594e60
hex866d444

140956740 has 48 divisors (see below), whose sum is σ = 438533760. Its totient is φ = 37588320.

The previous prime is 140956727. The next prime is 140956757. The reversal of 140956740 is 47659041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140956695 and 140956704.

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 15 ways as a sum of consecutive naturals, for example, 129976 + ... + 131055.

It is an arithmetic number, because the mean of its divisors is an integer number (9136120).

Almost surely, 2140956740 is an apocalyptic number.

140956740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140956740 is an abundant number, since it is smaller than the sum of its proper divisors (297577020).

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

140956740 is a wasteful number, since it uses less digits than its factorization.

140956740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261049 (or 261041 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 140956740 is about 11872.5203726926. The cubic root of 140956740 is about 520.4295513786.

The spelling of 140956740 in words is "one hundred forty million, nine hundred fifty-six thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 261031 522062 783093 1044124 1305155 1566186 2349279 2610310 3132372 3915465 4698558 5220620 7047837 7830930 9397116 11746395 14095674 15661860 23492790 28191348 35239185 46985580 70478370 140956740