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13789290 = 2354191097
BaseRepresentation
bin110100100110…
…100001101010
3221221120100110
4310212201222
512012224130
61211315150
7225131004
oct64464152
927846313
1013789290
117869109
12474bab6
132b1a558
141b8d374
151325ab0
hexd2686a

13789290 has 32 divisors (see below), whose sum is σ = 33203520. Its totient is φ = 3665024.

The previous prime is 13789289. The next prime is 13789313. The reversal of 13789290 is 9298731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12022 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (1037610).

Almost surely, 213789290 is an apocalyptic number.

13789290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13789290 is an abundant number, since it is smaller than the sum of its proper divisors (19414230).

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

13789290 is a wasteful number, since it uses less digits than its factorization.

13789290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 13789290 is about 3713.3933268643. The cubic root of 13789290 is about 239.7989635930.

The spelling of 13789290 in words is "thirteen million, seven hundred eighty-nine thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 419 838 1097 1257 2095 2194 2514 3291 4190 5485 6285 6582 10970 12570 16455 32910 459643 919286 1378929 2298215 2757858 4596430 6894645 13789290