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13789392 = 243287279
BaseRepresentation
bin110100100110…
…100011010000
3221221120111020
4310212203100
512012230032
61211315440
7225131211
oct64464320
927846436
1013789392
1178691a1
12474bb80
132b1a606
141b8d408
151325b2c
hexd268d0

13789392 has 20 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 4596448.

The previous prime is 13789387. The next prime is 13789403. The reversal of 13789392 is 29398731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143592 + ... + 143687.

It is an arithmetic number, because the mean of its divisors is an integer number (1781136).

Almost surely, 213789392 is an apocalyptic number.

13789392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13789392 is an abundant number, since it is smaller than the sum of its proper divisors (21833328).

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

13789392 is a wasteful number, since it uses less digits than its factorization.

13789392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287290 (or 287284 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 13789392 is about 3713.4070609078. The cubic root of 13789392 is about 239.7995548594.

The spelling of 13789392 in words is "thirteen million, seven hundred eighty-nine thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 287279 574558 861837 1149116 1723674 2298232 3447348 4596464 6894696 13789392