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1396232980 = 225103677783
BaseRepresentation
bin101001100111000…
…1101001100010100
310121022020222120121
41103032031030110
510324413423410
6350314041324
746412533042
oct12316151424
93538228517
101396232980
1165715655a
1232b719244
1319335cc7c
14d3611392
158289d9da
hex5338d314

1396232980 has 24 divisors (see below), whose sum is σ = 2960560512. Its totient is φ = 553070112.

The previous prime is 1396232953. The next prime is 1396232987. The reversal of 1396232980 is 892326931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396232987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336832 + ... + 340951.

It is an arithmetic number, because the mean of its divisors is an integer number (123356688).

Almost surely, 21396232980 is an apocalyptic number.

1396232980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1396232980 is an abundant number, since it is smaller than the sum of its proper divisors (1564327532).

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

1396232980 is a wasteful number, since it uses less digits than its factorization.

1396232980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677895 (or 677893 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1396232980 is about 37366.2010378363. The cubic root of 1396232980 is about 1117.6846780418.

The spelling of 1396232980 in words is "one billion, three hundred ninety-six million, two hundred thirty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 677783 1355566 2711132 3388915 6777830 13555660 69811649 139623298 279246596 349058245 698116490 1396232980