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23898864 = 2431145263
BaseRepresentation
bin101101100101…
…0101011110000
31122222012002010
41123022223300
522104230424
62212122520
7410064663
oct133125360
948865063
1023898864
1112543630
128006440
134c49c52
1432616da
152171229
hex16caaf0

23898864 has 40 divisors (see below), whose sum is σ = 67352832. Its totient is φ = 7241920.

The previous prime is 23898857. The next prime is 23898877. The reversal of 23898864 is 46889832.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22104 + ... + 23159.

Almost surely, 223898864 is an apocalyptic number.

23898864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23898864 is an abundant number, since it is smaller than the sum of its proper divisors (43453968).

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

23898864 is a wasteful number, since it uses less digits than its factorization.

23898864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45285 (or 45279 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 23898864 is about 4888.6464384326. The cubic root of 23898864 is about 288.0441676088.

The spelling of 23898864 in words is "twenty-three million, eight hundred ninety-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 45263 90526 135789 181052 271578 362104 497893 543156 724208 995786 1086312 1493679 1991572 2172624 2987358 3983144 5974716 7966288 11949432 23898864