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13883620 = 2254431567
BaseRepresentation
bin110100111101…
…100011100100
3222010100202011
4310331203210
512023233440
61213324004
7226003012
oct64754344
928110664
1013883620
117922a73
124796604
132b5147a
141bb58b2
1513439ea
hexd3d8e4

13883620 has 24 divisors (see below), whose sum is σ = 29240064. Its totient is φ = 5537376.

The previous prime is 13883609. The next prime is 13883627. The reversal of 13883620 is 2638831.

It is not an unprimeable number, because it can be changed into a prime (13883627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8077 + ... + 9643.

It is an arithmetic number, because the mean of its divisors is an integer number (1218336).

Almost surely, 213883620 is an apocalyptic number.

13883620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13883620 is an abundant number, since it is smaller than the sum of its proper divisors (15356444).

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

13883620 is a wasteful number, since it uses less digits than its factorization.

13883620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13883620 is about 3726.0729998217. The cubic root of 13883620 is about 240.3445283291.

The spelling of 13883620 in words is "thirteen million, eight hundred eighty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 443 886 1567 1772 2215 3134 4430 6268 7835 8860 15670 31340 694181 1388362 2776724 3470905 6941810 13883620