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13834380 = 2235732939
BaseRepresentation
bin110100110001…
…100010001100
3222000212012110
4310301202030
512020200010
61212304020
7225406320
oct64614214
928025173
1013834380
117899a7a
124772010
132b34c31
141ba1980
151334120
hexd3188c

13834380 has 48 divisors (see below), whose sum is σ = 44271360. Its totient is φ = 3162048.

The previous prime is 13834349. The next prime is 13834391. The reversal of 13834380 is 8343831.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16050 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (922320).

Almost surely, 213834380 is an apocalyptic number.

13834380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13834380 is an abundant number, since it is smaller than the sum of its proper divisors (30436980).

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

13834380 is a wasteful number, since it uses less digits than its factorization.

13834380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32958 (or 32956 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 13834380 is about 3719.4596381733. The cubic root of 13834380 is about 240.0600544160.

The spelling of 13834380 in words is "thirteen million, eight hundred thirty-four thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 32939 65878 98817 131756 164695 197634 230573 329390 395268 461146 494085 658780 691719 922292 988170 1152865 1383438 1976340 2305730 2766876 3458595 4611460 6917190 13834380