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13980576 = 2531371063
BaseRepresentation
bin110101010101…
…001110100000
3222022021202010
4311111032200
512034334301
61215352520
7226555461
oct65251640
928267663
1013980576
1179898a5
124822740
132b8663c
141bdcd68
1513625d6
hexd553a0

13980576 has 48 divisors (see below), whose sum is σ = 37001664. Its totient is φ = 4621824.

The previous prime is 13980559. The next prime is 13980583. The reversal of 13980576 is 67508931.

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

It is an unprimeable number.

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, 12621 + ... + 13683.

It is an arithmetic number, because the mean of its divisors is an integer number (770868).

Almost surely, 213980576 is an apocalyptic number.

13980576 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 13980576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18500832).

13980576 is an abundant number, since it is smaller than the sum of its proper divisors (23021088).

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

13980576 is a wasteful number, since it uses less digits than its factorization.

13980576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13980576 is about 3739.0608446507. The cubic root of 13980576 is about 240.9027114873.

The spelling of 13980576 in words is "thirteen million, nine hundred eighty thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 137 274 411 548 822 1063 1096 1644 2126 2192 3189 3288 4252 4384 6378 6576 8504 12756 13152 17008 25512 34016 51024 102048 145631 291262 436893 582524 873786 1165048 1747572 2330096 3495144 4660192 6990288 13980576