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1393341860 = 225237129383
BaseRepresentation
bin101001100001100…
…1011010110100100
310121002211002201002
41103003023112210
510323143414420
6350132052432
746346132111
oct12303132644
93532732632
101393341860
116555613a9
1232a764118
1319288a051
14d309b908
15824cc075
hex530cb5a4

1393341860 has 24 divisors (see below), whose sum is σ = 2927351616. Its totient is φ = 557082720.

The previous prime is 1393341847. The next prime is 1393341871. The reversal of 1393341860 is 681433931.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32729 + ... + 62111.

It is an arithmetic number, because the mean of its divisors is an integer number (121972984).

Almost surely, 21393341860 is an apocalyptic number.

1393341860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1393341860 is an abundant number, since it is smaller than the sum of its proper divisors (1534009756).

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

1393341860 is a wasteful number, since it uses less digits than its factorization.

1393341860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31763 (or 31761 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1393341860 is about 37327.4946922506. The cubic root of 1393341860 is about 1116.9126976515.

The spelling of 1393341860 in words is "one billion, three hundred ninety-three million, three hundred forty-one thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 2371 4742 9484 11855 23710 29383 47420 58766 117532 146915 293830 587660 69667093 139334186 278668372 348335465 696670930 1393341860