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1396960992 = 25347217647
BaseRepresentation
bin101001101000011…
…1110111011100000
310121100121222020000
41103100332323200
510330110222432
6350341420000
746421654400
oct12320767340
93540558200
101396960992
11657603519
1232ba0a600
1319355644b
14d3760800
158299457c
hex5343eee0

1396960992 has 360 divisors, whose sum is σ = 5068136304. Its totient is φ = 375072768.

The previous prime is 1396960991. The next prime is 1396960993. The reversal of 1396960992 is 2990696931.

It is an interprime number because it is at equal distance from previous prime (1396960991) and next prime (1396960993).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396960991) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2158813 + ... + 2159459.

Almost surely, 21396960992 is an apocalyptic number.

1396960992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396960992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2534068152).

1396960992 is an abundant number, since it is smaller than the sum of its proper divisors (3671175312).

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

1396960992 is a wasteful number, since it uses less digits than its factorization.

1396960992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 54.

The square root of 1396960992 is about 37375.9413526937. The cubic root of 1396960992 is about 1117.8789021883.

The spelling of 1396960992 in words is "one billion, three hundred ninety-six million, nine hundred sixty thousand, nine hundred ninety-two".