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23245560 = 23325134967
BaseRepresentation
bin101100010101…
…1001011111000
31121201222220200
41120223023320
521422324220
62150122200
7401404212
oct130531370
947658820
1023245560
1112137808
127950360
134a7b790
1431315b2
152092890
hex162b2f8

23245560 has 96 divisors (see below), whose sum is σ = 81375840. Its totient is φ = 5720832.

The previous prime is 23245553. The next prime is 23245591. The reversal of 23245560 is 6554232.

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 23 ways as a sum of consecutive naturals, for example, 2197 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (847665).

Almost surely, 223245560 is an apocalyptic number.

23245560 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 23245560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40687920).

23245560 is an abundant number, since it is smaller than the sum of its proper divisors (58130280).

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

23245560 is a wasteful number, since it uses less digits than its factorization.

23245560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 23245560 is about 4821.3649519612. The cubic root of 23245560 is about 285.3952042634.

Adding to 23245560 its reverse (6554232), we get a palindrome (29799792).

The spelling of 23245560 in words is "twenty-three million, two hundred forty-five thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1170 1560 2340 4680 4967 9934 14901 19868 24835 29802 39736 44703 49670 59604 64571 74505 89406 99340 119208 129142 149010 178812 193713 198680 223515 258284 298020 322855 357624 387426 447030 516568 581139 596040 645710 774852 894060 968565 1162278 1291420 1549704 1788120 1937130 2324556 2582840 2905695 3874260 4649112 5811390 7748520 11622780 23245560