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13849580 = 2252632633
BaseRepresentation
bin110100110101…
…001111101100
3222001122001102
4310311033230
512021141310
61212502232
7225501533
oct64651754
928048042
1013849580
1178aa438
12477a978
132b3bb24
141ba731a
1513388a5
hexd353ec

13849580 has 24 divisors (see below), whose sum is σ = 29205792. Its totient is φ = 5516672.

The previous prime is 13849579. The next prime is 13849597. The reversal of 13849580 is 8594831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944 + ... + 6576.

It is an arithmetic number, because the mean of its divisors is an integer number (1216908).

Almost surely, 213849580 is an apocalyptic number.

13849580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13849580 is an abundant number, since it is smaller than the sum of its proper divisors (15356212).

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

13849580 is a wasteful number, since it uses less digits than its factorization.

13849580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 13849580 is about 3721.5023847903. The cubic root of 13849580 is about 240.1479411945.

The spelling of 13849580 in words is "thirteen million, eight hundred forty-nine thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 263 526 1052 1315 2630 2633 5260 5266 10532 13165 26330 52660 692479 1384958 2769916 3462395 6924790 13849580