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23878461 = 353791901
BaseRepresentation
bin101101100010…
…1101100111101
31122221011002110
41123011230331
522103102321
62211444233
7406651335
oct133055475
948834073
1023878461
111252a272
127bb6679
134c40889
1432580c5
15216a176
hex16c5b3d

23878461 has 16 divisors (see below), whose sum is σ = 32866560. Its totient is φ = 15412800.

The previous prime is 23878453. The next prime is 23878469. The reversal of 23878461 is 16487832.

It is an interprime number because it is at equal distance from previous prime (23878453) and next prime (23878469).

It is not a de Polignac number, because 23878461 - 23 = 23878453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11611 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (2054160).

Almost surely, 223878461 is an apocalyptic number.

It is an amenable number.

23878461 is a deficient number, since it is larger than the sum of its proper divisors (8988099).

23878461 is a wasteful number, since it uses less digits than its factorization.

23878461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its digits is 64512, while the sum is 39.

The square root of 23878461 is about 4886.5592189188. The cubic root of 23878461 is about 287.9621743339.

The spelling of 23878461 in words is "twenty-three million, eight hundred seventy-eight thousand, four hundred sixty-one".

Divisors: 1 3 53 79 159 237 1901 4187 5703 12561 100753 150179 302259 450537 7959487 23878461