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16313412 = 2231379923
BaseRepresentation
bin111110001110…
…110001000100
31010200210210110
4332032301010
513134012122
61341353020
7255442653
oct76166104
933623713
1016313412
119232565
125568770
1334c240b
14224919a
15167390c
hexf8ec44

16313412 has 24 divisors (see below), whose sum is σ = 38346336. Its totient is φ = 5397568.

The previous prime is 16313393. The next prime is 16313447. The reversal of 16313412 is 21431361.

16313412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163134122 = 532254822163488, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 3318 + ... + 6605.

It is an arithmetic number, because the mean of its divisors is an integer number (1597764).

Almost surely, 216313412 is an apocalyptic number.

16313412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16313412 is an abundant number, since it is smaller than the sum of its proper divisors (22032924).

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

16313412 is a wasteful number, since it uses less digits than its factorization.

16313412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067 (or 10065 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 16313412 is about 4038.9865065385. The cubic root of 16313412 is about 253.6188923686.

Adding to 16313412 its reverse (21431361), we get a palindrome (37744773).

The spelling of 16313412 in words is "sixteen million, three hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 9923 19846 29769 39692 59538 119076 1359451 2718902 4078353 5437804 8156706 16313412