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12401648 = 247110729
BaseRepresentation
bin101111010011…
…101111110000
3212100001212022
4233103233300
511133323043
61121451012
7210261260
oct57235760
925301768
1012401648
1170005a6
1241a0a68
132752a6c
14190b7a0
15114e868
hexbd3bf0

12401648 has 20 divisors (see below), whose sum is σ = 27461040. Its totient is φ = 5314944.

The previous prime is 12401593. The next prime is 12401671. The reversal of 12401648 is 84610421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55253 + ... + 55476.

It is an arithmetic number, because the mean of its divisors is an integer number (1373052).

Almost surely, 212401648 is an apocalyptic number.

It is an amenable number.

12401648 is an abundant number, since it is smaller than the sum of its proper divisors (15059392).

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

12401648 is a wasteful number, since it uses less digits than its factorization.

12401648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110744 (or 110738 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 12401648 is about 3521.5973648332. The cubic root of 12401648 is about 231.4691588768.

The spelling of 12401648 in words is "twelve million, four hundred one thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 110729 221458 442916 775103 885832 1550206 1771664 3100412 6200824 12401648