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13891896 = 2332613163
BaseRepresentation
bin110100111111…
…100100111000
3222010210002200
4310333210320
512024020041
61213430200
7226036104
oct64774470
928123080
1013891896
117929207
12479b360
132b55175
141bb8904
1513461b6
hexd3f938

13891896 has 48 divisors (see below), whose sum is σ = 38252760. Its totient is φ = 4553280.

The previous prime is 13891861. The next prime is 13891897. The reversal of 13891896 is 69819831.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13891897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2811 + ... + 5973.

Almost surely, 213891896 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 13891896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19126380).

13891896 is an abundant number, since it is smaller than the sum of its proper divisors (24360864).

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

13891896 is a wasteful number, since it uses less digits than its factorization.

13891896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3229 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 13891896 is about 3727.1833869559. The cubic root of 13891896 is about 240.3922751515.

The spelling of 13891896 in words is "thirteen million, eight hundred ninety-one thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 61 72 122 183 244 366 488 549 732 1098 1464 2196 3163 4392 6326 9489 12652 18978 25304 28467 37956 56934 75912 113868 192943 227736 385886 578829 771772 1157658 1543544 1736487 2315316 3472974 4630632 6945948 13891896