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140125280 = 255875783
BaseRepresentation
bin10000101101000…
…10010001100000
3100202200002202012
420112202101200
5241333002110
621523212052
73321021341
oct1026422140
9322602665
10140125280
1172108219
123ab17028
1323052389
14148780c8
15c47d905
hex85a2460

140125280 has 24 divisors (see below), whose sum is σ = 331046352. Its totient is φ = 56050048.

The previous prime is 140125259. The next prime is 140125291. The reversal of 140125280 is 82521041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437732 + ... + 438051.

It is an arithmetic number, because the mean of its divisors is an integer number (13793598).

Almost surely, 2140125280 is an apocalyptic number.

140125280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140125280 is an abundant number, since it is smaller than the sum of its proper divisors (190921072).

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

140125280 is an equidigital number, since it uses as much as digits as its factorization.

140125280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875798 (or 875790 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 140125280 is about 11837.4524286267. The cubic root of 140125280 is about 519.4042486894.

The spelling of 140125280 in words is "one hundred forty million, one hundred twenty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 875783 1751566 3503132 4378915 7006264 8757830 14012528 17515660 28025056 35031320 70062640 140125280