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23992668 = 22327195011
BaseRepresentation
bin101101110000…
…1100101011100
31200010221202100
41123201211130
522120231133
62214125100
7410635320
oct133414534
950127670
1023992668
11125a8057
128050790
134c8085b
143287980
15218de13
hex16e195c

23992668 has 72 divisors (see below), whose sum is σ = 72974720. Its totient is φ = 6492960.

The previous prime is 23992663. The next prime is 23992669. The reversal of 23992668 is 86629932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23992663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2283 + ... + 7293.

Almost surely, 223992668 is an apocalyptic number.

23992668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23992668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36487360).

23992668 is an abundant number, since it is smaller than the sum of its proper divisors (48982052).

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

23992668 is a wasteful number, since it uses less digits than its factorization.

23992668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5042 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 23992668 is about 4898.2311092883. The cubic root of 23992668 is about 288.4205372535.

The spelling of 23992668 in words is "twenty-three million, nine hundred ninety-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 399 532 684 798 1197 1596 2394 4788 5011 10022 15033 20044 30066 35077 45099 60132 70154 90198 95209 105231 140308 180396 190418 210462 285627 315693 380836 420924 571254 631386 666463 856881 1142508 1262772 1332926 1713762 1999389 2665852 3427524 3998778 5998167 7997556 11996334 23992668