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13869696 = 273191901
BaseRepresentation
bin110100111010…
…001010000000
3222002122122110
4310322022000
512022312241
61213135320
7225614301
oct64721200
928078573
1013869696
117913565
12478a540
132b48029
141bb07a8
15133e816
hexd3a280

13869696 has 64 divisors (see below), whose sum is σ = 38800800. Its totient is φ = 4377600.

The previous prime is 13869689. The next prime is 13869707. The reversal of 13869696 is 69696831.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 6346 + ... + 8246.

Almost surely, 213869696 is an apocalyptic number.

13869696 is a gapful number since it is divisible by the number (16) 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 13869696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19400400).

13869696 is an abundant number, since it is smaller than the sum of its proper divisors (24931104).

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

13869696 is a wasteful number, since it uses less digits than its factorization.

13869696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1925 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 13869696 is about 3724.2040760409. The cubic root of 13869696 is about 240.2641535998.

The spelling of 13869696 in words is "thirteen million, eight hundred sixty-nine thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 128 152 192 228 304 384 456 608 912 1216 1824 1901 2432 3648 3802 5703 7296 7604 11406 15208 22812 30416 36119 45624 60832 72238 91248 108357 121664 144476 182496 216714 243328 288952 364992 433428 577904 729984 866856 1155808 1733712 2311616 3467424 4623232 6934848 13869696