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23040992 = 251397571
BaseRepresentation
bin101011111100…
…1001111100000
31121100121022002
41113321033200
521344302432
62141503132
7366562622
oct127711740
947317262
1023040992
1112008047
127871aa8
134a09630
1430bac12
152051e62
hex15f93e0

23040992 has 48 divisors (see below), whose sum is σ = 49441392. Its totient is φ = 10506240.

The previous prime is 23040971. The next prime is 23041013. The reversal of 23040992 is 29904032.

It is an interprime number because it is at equal distance from previous prime (23040971) and next prime (23041013).

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, 40067 + ... + 40637.

It is an arithmetic number, because the mean of its divisors is an integer number (1030029).

Almost surely, 223040992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23040992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24720696).

23040992 is an abundant number, since it is smaller than the sum of its proper divisors (26400400).

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

23040992 is a wasteful number, since it uses less digits than its factorization.

23040992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23040992 is about 4800.1033322211. The cubic root of 23040992 is about 284.5555481411. Note that the first 4 decimals are identical.

The spelling of 23040992 in words is "twenty-three million, forty thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 97 104 194 208 388 416 571 776 1142 1261 1552 2284 2522 3104 4568 5044 7423 9136 10088 14846 18272 20176 29692 40352 55387 59384 110774 118768 221548 237536 443096 720031 886192 1440062 1772384 2880124 5760248 11520496 23040992