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13953696 = 253191761
BaseRepresentation
bin110101001110…
…101010100000
3222020220212120
4311032222200
512033004241
61215024240
7226414221
oct65165240
928226776
1013953696
117970689
12480b080
132b77333
141bd3248
151359666
hexd4eaa0

13953696 has 48 divisors (see below), whose sum is σ = 36868608. Its totient is φ = 4620800.

The previous prime is 13953683. The next prime is 13953697. The reversal of 13953696 is 69635931.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (13953697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17956 + ... + 18716.

It is an arithmetic number, because the mean of its divisors is an integer number (768096).

Almost surely, 213953696 is an apocalyptic number.

13953696 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 13953696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18434304).

13953696 is an abundant number, since it is smaller than the sum of its proper divisors (22914912).

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

13953696 is a wasteful number, since it uses less digits than its factorization.

13953696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 957 counting only the distinct ones).

The product of its digits is 131220, while the sum is 42.

The square root of 13953696 is about 3735.4646297348. The cubic root of 13953696 is about 240.7482204902.

It can be divided in two parts, 139 and 53696, that added together give a palindrome (53835).

The spelling of 13953696 in words is "thirteen million, nine hundred fifty-three thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 191 382 573 761 764 1146 1522 1528 2283 2292 3044 3056 4566 4584 6088 6112 9132 9168 12176 18264 18336 24352 36528 73056 145351 290702 436053 581404 872106 1162808 1744212 2325616 3488424 4651232 6976848 13953696