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12055008 = 253717939
BaseRepresentation
bin101101111111…
…000111100000
3211200110100210
4231333013200
511041230013
61110214120
7204315540
oct55770740
924613323
1012055008
116894119
124054340
132661054
14185b320
1510d1cc3
hexb7f1e0

12055008 has 48 divisors (see below), whose sum is σ = 36167040. Its totient is φ = 3444096.

The previous prime is 12054997. The next prime is 12055027. The reversal of 12055008 is 80055021.

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

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 8298 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (753480).

Almost surely, 212055008 is an apocalyptic number.

It is an amenable number.

12055008 is an abundant number, since it is smaller than the sum of its proper divisors (24112032).

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

12055008 is a wasteful number, since it uses less digits than its factorization.

12055008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17959 (or 17951 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 12055008 is about 3472.0322579147. The cubic root of 12055008 is about 229.2921400082.

The spelling of 12055008 in words is "twelve million, fifty-five thousand, eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 17939 35878 53817 71756 107634 125573 143512 215268 251146 287024 376719 430536 502292 574048 753438 861072 1004584 1506876 1722144 2009168 3013752 4018336 6027504 12055008