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13928832 = 2732107113
BaseRepresentation
bin110101001000…
…100110000000
3222012122202200
4311020212000
512031210312
61214313200
7226251561
oct65104600
928178680
1013928832
117953a35
1247b8800
132b68c18
141bc8168
1513520dc
hexd48980

13928832 has 96 divisors (see below), whose sum is σ = 40814280. Its totient is φ = 4558848.

The previous prime is 13928791. The next prime is 13928833. The reversal of 13928832 is 23882931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (13928833) 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, 123208 + ... + 123320.

Almost surely, 213928832 is an apocalyptic number.

13928832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13928832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20407140).

13928832 is an abundant number, since it is smaller than the sum of its proper divisors (26885448).

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

13928832 is a wasteful number, since it uses less digits than its factorization.

13928832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 225 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13928832 is about 3732.1350457881. The cubic root of 13928832 is about 240.6051395763.

The spelling of 13928832 in words is "thirteen million, nine hundred twenty-eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 107 113 128 144 192 214 226 288 321 339 384 428 452 576 642 678 856 904 963 1017 1152 1284 1356 1712 1808 1926 2034 2568 2712 3424 3616 3852 4068 5136 5424 6848 7232 7704 8136 10272 10848 12091 13696 14464 15408 16272 20544 21696 24182 30816 32544 36273 41088 43392 48364 61632 65088 72546 96728 108819 123264 130176 145092 193456 217638 290184 386912 435276 580368 773824 870552 1160736 1547648 1741104 2321472 3482208 4642944 6964416 13928832