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12031796 = 227431997
BaseRepresentation
bin101101111001…
…011100110100
3211122021112002
4231321130310
511040004141
61105514432
7204161060
oct55713464
924567462
1012031796
116878737
124042a18
13265360a
141852aa0
1510c9e9b
hexb79734

12031796 has 24 divisors (see below), whose sum is σ = 24143616. Its totient is φ = 5139360.

The previous prime is 12031777. The next prime is 12031837. The reversal of 12031796 is 69713021.

It is a super-2 number, since 2×120317962 = 289528229971232, which contains 22 as substring.

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, 11570 + ... + 12566.

It is an arithmetic number, because the mean of its divisors is an integer number (1005984).

Almost surely, 212031796 is an apocalyptic number.

It is an amenable number.

12031796 is an abundant number, since it is smaller than the sum of its proper divisors (12111820).

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

12031796 is a wasteful number, since it uses less digits than its factorization.

12031796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12031796 is about 3468.6879363817. The cubic root of 12031796 is about 229.1448775904.

The spelling of 12031796 in words is "twelve million, thirty-one thousand, seven hundred ninety-six".

Divisors: 1 2 4 7 14 28 431 862 997 1724 1994 3017 3988 6034 6979 12068 13958 27916 429707 859414 1718828 3007949 6015898 12031796