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1396976982 = 23613816877
BaseRepresentation
bin101001101000100…
…0010110101010110
310121100122210011020
41103101002311112
510330111230412
6350342022010
746422052122
oct12321026526
93540583136
101396976982
11657614535
1232ba17906
131935607cb
14d3766582
158299918c
hex53442d56

1396976982 has 16 divisors (see below), whose sum is σ = 2839757232. Its totient is φ = 458025120.

The previous prime is 1396976929. The next prime is 1396977007. The reversal of 1396976982 is 2896796931.

It is a congruent 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, 1908073 + ... + 1908804.

It is an arithmetic number, because the mean of its divisors is an integer number (177484827).

Almost surely, 21396976982 is an apocalyptic number.

1396976982 is an abundant number, since it is smaller than the sum of its proper divisors (1442780250).

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

1396976982 is a wasteful number, since it uses less digits than its factorization.

1396976982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816943.

The product of its digits is 8817984, while the sum is 60.

The square root of 1396976982 is about 37376.1552597375. The cubic root of 1396976982 is about 1117.8831673552.

It can be divided in two parts, 13969 and 76982, that added together give a triangular number (90951 = T426).

The spelling of 1396976982 in words is "one billion, three hundred ninety-six million, nine hundred seventy-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 61 122 183 366 3816877 7633754 11450631 22901262 232829497 465658994 698488491 1396976982