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23464520 = 23531127149
BaseRepresentation
bin101100110000…
…0101001001000
31122011010021022
41121200221020
522001331040
62154532012
7403305452
oct131405110
948133238
1023464520
1112277272
127a37008
134b27341
14318b2d2
1520d76b5
hex1660a48

23464520 has 64 divisors (see below), whose sum is σ = 55296000. Its totient is φ = 8951040.

The previous prime is 23464499. The next prime is 23464523. The reversal of 23464520 is 2546432.

It is a self number, because there is not a number n which added to its sum of digits gives 23464520.

It is not an unprimeable number, because it can be changed into a prime (23464523) 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, 157406 + ... + 157554.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 223464520 is an apocalyptic number.

23464520 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 23464520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27648000).

23464520 is an abundant number, since it is smaller than the sum of its proper divisors (31831480).

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

23464520 is a wasteful number, since it uses less digits than its factorization.

23464520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 23464520 is about 4844.0189925309. The cubic root of 23464520 is about 286.2884923733.

The spelling of 23464520 in words is "twenty-three million, four hundred sixty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 127 149 155 248 254 298 310 508 596 620 635 745 1016 1192 1240 1270 1490 2540 2980 3937 4619 5080 5960 7874 9238 15748 18476 18923 19685 23095 31496 36952 37846 39370 46190 75692 78740 92380 94615 151384 157480 184760 189230 378460 586613 756920 1173226 2346452 2933065 4692904 5866130 11732260 23464520