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13845444 = 2234312677
BaseRepresentation
bin110100110100…
…001111000100
3222001102101020
4310310033010
512021023234
61212431140
7225453504
oct64641704
928042336
1013845444
1178a7318
1247784b0
132b39c92
141ba5a04
151337549
hexd343c4

13845444 has 24 divisors (see below), whose sum is σ = 32393088. Its totient is φ = 4602720.

The previous prime is 13845443. The next prime is 13845449. The reversal of 13845444 is 44454831.

It is not an unprimeable number, because it can be changed into a prime (13845443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3834 + ... + 6510.

It is an arithmetic number, because the mean of its divisors is an integer number (1349712).

Almost surely, 213845444 is an apocalyptic number.

It is an amenable number.

13845444 is an abundant number, since it is smaller than the sum of its proper divisors (18547644).

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

13845444 is a wasteful number, since it uses less digits than its factorization.

13845444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115 (or 3113 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 13845444 is about 3720.9466537428. The cubic root of 13845444 is about 240.1240331103.

The spelling of 13845444 in words is "thirteen million, eight hundred forty-five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 431 862 1293 1724 2586 2677 5172 5354 8031 10708 16062 32124 1153787 2307574 3461361 4615148 6922722 13845444