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140847340 = 2257042367
BaseRepresentation
bin10000110010100…
…10100011101100
3100211000210020011
420121102203230
5242024103330
621550503004
73330116434
oct1031224354
9324023204
10140847340
1172560767
123b204a64
1323245c2a
14149c52c4
15c57282a
hex86528ec

140847340 has 12 divisors (see below), whose sum is σ = 295779456. Its totient is φ = 56338928.

The previous prime is 140847313. The next prime is 140847349. The reversal of 140847340 is 43748041.

It is not an unprimeable number, because it can be changed into a prime (140847349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3521164 + ... + 3521203.

It is an arithmetic number, because the mean of its divisors is an integer number (24648288).

Almost surely, 2140847340 is an apocalyptic number.

140847340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140847340 is an abundant number, since it is smaller than the sum of its proper divisors (154932116).

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

140847340 is a wasteful number, since it uses less digits than its factorization.

140847340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042376 (or 7042374 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 140847340 is about 11867.9122005515. The cubic root of 140847340 is about 520.2948771307.

The spelling of 140847340 in words is "one hundred forty million, eight hundred forty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7042367 14084734 28169468 35211835 70423670 140847340