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140427960 = 23351170233
BaseRepresentation
bin10000101111011…
…00001010111000
3100210020110221120
420113230022320
5241422143320
621533505240
73323421651
oct1027541270
9323213846
10140427960
11722a4672
123b042220
132312a08a
1414916528
15c4dd440
hex85ec2b8

140427960 has 32 divisors (see below), whose sum is σ = 421284240. Its totient is φ = 37447424.

The previous prime is 140427943. The next prime is 140427971. The reversal of 140427960 is 69724041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 584997 + ... + 585236.

Almost surely, 2140427960 is an apocalyptic number.

140427960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140427960 is an abundant number, since it is smaller than the sum of its proper divisors (280856280).

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

140427960 is a wasteful number, since it uses less digits than its factorization.

140427960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170247 (or 1170243 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 140427960 is about 11850.2303775074. The cubic root of 140427960 is about 519.7779624037. Note that the first 3 decimals are identical.

The spelling of 140427960 in words is "one hundred forty million, four hundred twenty-seven thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1170233 2340466 3510699 4680932 5851165 7021398 9361864 11702330 14042796 17553495 23404660 28085592 35106990 46809320 70213980 140427960