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13945452 = 2232350527
BaseRepresentation
bin110101001100…
…101001101100
3222020111120020
4311030221230
512032223302
61214522140
7226351203
oct65145154
928214506
1013945452
117965474
124806350
132b73661
141bd023a
151356ebc
hexd4ca6c

13945452 has 24 divisors (see below), whose sum is σ = 33954816. Its totient is φ = 4446288.

The previous prime is 13945441. The next prime is 13945469. The reversal of 13945452 is 25454931.

13945452 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 24988 + ... + 25539.

It is an arithmetic number, because the mean of its divisors is an integer number (1414784).

Almost surely, 213945452 is an apocalyptic number.

13945452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13945452 is an abundant number, since it is smaller than the sum of its proper divisors (20009364).

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

13945452 is a wasteful number, since it uses less digits than its factorization.

13945452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50557 (or 50555 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 13945452 is about 3734.3609895135. The cubic root of 13945452 is about 240.7007989009.

The spelling of 13945452 in words is "thirteen million, nine hundred forty-five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 50527 101054 151581 202108 303162 606324 1162121 2324242 3486363 4648484 6972726 13945452