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12799950 = 235285333
BaseRepresentation
bin110000110100…
…111111001110
3220002022020020
4300310333032
511234044300
61134203010
7213540432
oct60647716
926068206
1012799950
117252879
124353466
132862147
1419b29c2
1511cc8a0
hexc34fce

12799950 has 24 divisors (see below), whose sum is σ = 31744248. Its totient is φ = 3413280.

The previous prime is 12799921. The next prime is 12799957. The reversal of 12799950 is 5999721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12799957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42517 + ... + 42816.

It is an arithmetic number, because the mean of its divisors is an integer number (1322677).

Almost surely, 212799950 is an apocalyptic number.

12799950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12799950 is an abundant number, since it is smaller than the sum of its proper divisors (18944298).

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

12799950 is a wasteful number, since it uses less digits than its factorization.

12799950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85348 (or 85343 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 12799950 is about 3577.7017762804. The cubic root of 12799950 is about 233.9211144715.

The spelling of 12799950 in words is "twelve million, seven hundred ninety-nine thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 85333 170666 255999 426665 511998 853330 1279995 2133325 2559990 4266650 6399975 12799950