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23464720 = 2451312239
BaseRepresentation
bin101100110000…
…0101100010000
31122011010112201
41121200230100
522001332340
62154532544
7403306156
oct131405420
948133481
1023464720
1112277434
127a37154
134b27466
14318b3d6
1520d779a
hex1660b10

23464720 has 40 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 9310080.

The previous prime is 23464717. The next prime is 23464733. The reversal of 23464720 is 2746432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 9361 + ... + 11599.

It is an arithmetic number, because the mean of its divisors is an integer number (1374912).

Almost surely, 223464720 is an apocalyptic number.

23464720 is a gapful number since it is divisible by the number (20) 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 23464720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27498240).

23464720 is an abundant number, since it is smaller than the sum of its proper divisors (31531760).

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

23464720 is a wasteful number, since it uses less digits than its factorization.

23464720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 23464720 is about 4844.0396365017. The cubic root of 23464720 is about 286.2893057650.

The spelling of 23464720 in words is "twenty-three million, four hundred sixty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 131 262 524 655 1048 1310 2096 2239 2620 4478 5240 8956 10480 11195 17912 22390 35824 44780 89560 179120 293309 586618 1173236 1466545 2346472 2933090 4692944 5866180 11732360 23464720