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13895868 = 22371737263
BaseRepresentation
bin110101000000…
…100010111100
3222010222112210
4311000202330
512024131433
61213500420
7226053510
oct65004274
928128483
1013895868
117931198
1247a1710
132b56c0c
141bba140
151347463
hexd408bc

13895868 has 96 divisors (see below), whose sum is σ = 40449024. Its totient is φ = 3621888.

The previous prime is 13895797. The next prime is 13895881. The reversal of 13895868 is 86859831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52705 + ... + 52967.

It is an arithmetic number, because the mean of its divisors is an integer number (421344).

Almost surely, 213895868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13895868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20224512).

13895868 is an abundant number, since it is smaller than the sum of its proper divisors (26553156).

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

13895868 is a wasteful number, since it uses less digits than its factorization.

13895868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 329 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 13895868 is about 3727.7161909137. The cubic root of 13895868 is about 240.4151841225.

The spelling of 13895868 in words is "thirteen million, eight hundred ninety-five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 37 42 51 68 74 84 102 111 119 148 204 222 238 259 263 357 444 476 518 526 629 714 777 789 1036 1052 1258 1428 1554 1578 1841 1887 2516 3108 3156 3682 3774 4403 4471 5523 7364 7548 8806 8942 9731 11046 13209 13413 17612 17884 19462 22092 26418 26826 29193 31297 38924 52836 53652 58386 62594 68117 93891 116772 125188 136234 165427 187782 204351 272468 330854 375564 408702 496281 661708 817404 992562 1157989 1985124 2315978 3473967 4631956 6947934 13895868