Search a number
-
+
15664092 = 2238315727
BaseRepresentation
bin111011110000…
…001111011100
31002110211002120
4323300033130
513002222332
61315422540
7250066623
oct73601734
932424076
1015664092
118929734
1252b4a50
1333259c2
14211a6ba
15159632c
hexef03dc

15664092 has 24 divisors (see below), whose sum is σ = 36992256. Its totient is φ = 5158128.

The previous prime is 15664069. The next prime is 15664093. The reversal of 15664092 is 29046651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15664093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6868 + ... + 8859.

It is an arithmetic number, because the mean of its divisors is an integer number (1541344).

Almost surely, 215664092 is an apocalyptic number.

15664092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15664092 is an abundant number, since it is smaller than the sum of its proper divisors (21328164).

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

15664092 is a wasteful number, since it uses less digits than its factorization.

15664092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817 (or 15815 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 15664092 is about 3957.7887765771. The cubic root of 15664092 is about 250.2083170345.

The spelling of 15664092 in words is "fifteen million, six hundred sixty-four thousand, ninety-two".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 15727 31454 47181 62908 94362 188724 1305341 2610682 3916023 5221364 7832046 15664092