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12116390 = 25111337229
BaseRepresentation
bin101110001110…
…000110100110
3211210120120012
4232032012212
511100211030
61111410222
7204662516
oct56160646
924716505
1012116390
116926250
124083972
132682c80
141875846
1510e5095
hexb8e1a6

12116390 has 64 divisors (see below), whose sum is σ = 26429760. Its totient is φ = 3939840.

The previous prime is 12116389. The next prime is 12116399. The reversal of 12116390 is 9361121.

It is a happy number.

12116390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52796 + ... + 53024.

It is an arithmetic number, because the mean of its divisors is an integer number (412965).

Almost surely, 212116390 is an apocalyptic number.

12116390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12116390 is an abundant number, since it is smaller than the sum of its proper divisors (14313370).

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

12116390 is a wasteful number, since it uses less digits than its factorization.

12116390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 12116390 is about 3480.8605257896. The cubic root of 12116390 is about 229.6806532119.

The spelling of 12116390 in words is "twelve million, one hundred sixteen thousand, three hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 37 55 65 74 110 130 143 185 229 286 370 407 458 481 715 814 962 1145 1430 2035 2290 2405 2519 2977 4070 4810 5038 5291 5954 8473 10582 12595 14885 16946 25190 26455 29770 32747 42365 52910 65494 84730 93203 110149 163735 186406 220298 327470 466015 550745 932030 1101490 1211639 2423278 6058195 12116390