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12140790 = 235404693
BaseRepresentation
bin101110010100…
…000011110110
3211211211000220
4232110003312
511102001130
61112115210
7205123614
oct56240366
924754026
1012140790
116942612
124095b06
1326910cc
1418806b4
1510ec410
hexb940f6

12140790 has 16 divisors (see below), whose sum is σ = 29137968. Its totient is φ = 3237536.

The previous prime is 12140759. The next prime is 12140813. The reversal of 12140790 is 9704121.

12140790 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 a self number, because there is not a number n which added to its sum of digits gives 12140790.

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, 202317 + ... + 202376.

It is an arithmetic number, because the mean of its divisors is an integer number (1821123).

Almost surely, 212140790 is an apocalyptic number.

12140790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12140790 is an abundant number, since it is smaller than the sum of its proper divisors (16997178).

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

12140790 is a wasteful number, since it uses less digits than its factorization.

12140790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404703.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12140790 is about 3484.3636434793. The cubic root of 12140790 is about 229.8347268874.

The spelling of 12140790 in words is "twelve million, one hundred forty thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 404693 809386 1214079 2023465 2428158 4046930 6070395 12140790