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140874320 = 24513272
BaseRepresentation
bin10000110010110…
…01001001010000
3100211002011020102
420121121021100
5242030434240
621551231532
73330261206
oct1031311120
9324064212
10140874320
1172579a64
123b2185a8
13232552b2
14149d1076
15c57a815
hex8659250

140874320 has 30 divisors (see below), whose sum is σ = 327779802. Its totient is φ = 56307264.

The previous prime is 140874311. The next prime is 140874329. The reversal of 140874320 is 23478041.

It is an interprime number because it is at equal distance from previous prime (140874311) and next prime (140874329).

It can be written as a sum of positive squares in only one way, i.e., 112699456 + 28174864 = 10616^2 + 5308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140874329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105497 + ... + 106823.

Almost surely, 2140874320 is an apocalyptic number.

140874320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140874320 is an abundant number, since it is smaller than the sum of its proper divisors (186905482).

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

140874320 is an frugal number, since it uses more digits than its factorization.

140874320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 140874320 is about 11869.0488245689. The cubic root of 140874320 is about 520.3280966897.

The spelling of 140874320 in words is "one hundred forty million, eight hundred seventy-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1327 2654 5308 6635 10616 13270 21232 26540 53080 106160 1760929 3521858 7043716 8804645 14087432 17609290 28174864 35218580 70437160 140874320