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13982994 = 2323891997
BaseRepresentation
bin110101010101…
…110100010010
3222022102001200
4311111310102
512034423434
61215412030
7226565514
oct65256422
928272050
1013982994
1179906a3
124824016
132b8777c
141bddbb4
151363199
hexd55d12

13982994 has 24 divisors (see below), whose sum is σ = 30389580. Its totient is φ = 4646688.

The previous prime is 13982989. The next prime is 13982999. The reversal of 13982994 is 49928931.

13982994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13982989) and next prime (13982999).

It can be written as a sum of positive squares in 2 ways, for example, as 11309769 + 2673225 = 3363^2 + 1635^2 .

It is not an unprimeable number, because it can be changed into a prime (13982999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6004 + ... + 8000.

Almost surely, 213982994 is an apocalyptic number.

13982994 is an abundant number, since it is smaller than the sum of its proper divisors (16406586).

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

13982994 is a wasteful number, since it uses less digits than its factorization.

13982994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2391 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 13982994 is about 3739.3841738982. The cubic root of 13982994 is about 240.9165990691.

The spelling of 13982994 in words is "thirteen million, nine hundred eighty-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 389 778 1167 1997 2334 3501 3994 5991 7002 11982 17973 35946 776833 1553666 2330499 4660998 6991497 13982994