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13988492 = 2271792791
BaseRepresentation
bin110101010111…
…001010001100
3222022200121022
4311113022030
512040112432
61215453312
7226620530
oct65271214
928280538
1013988492
117994841
124827238
132b8a11b
141c01bc0
151364b12
hexd5728c

13988492 has 24 divisors (see below), whose sum is σ = 28143360. Its totient is φ = 5959440.

The previous prime is 13988477. The next prime is 13988521. The reversal of 13988492 is 29488931.

It is a happy number.

13988492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3617 + ... + 6407.

It is an arithmetic number, because the mean of its divisors is an integer number (1172640).

Almost surely, 213988492 is an apocalyptic number.

It is an amenable number.

13988492 is an abundant number, since it is smaller than the sum of its proper divisors (14154868).

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

13988492 is a wasteful number, since it uses less digits than its factorization.

13988492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2979 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 13988492 is about 3740.1192494358. The cubic root of 13988492 is about 240.9481704168.

The spelling of 13988492 in words is "thirteen million, nine hundred eighty-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 179 358 716 1253 2506 2791 5012 5582 11164 19537 39074 78148 499589 999178 1998356 3497123 6994246 13988492