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23056500 = 2235319809
BaseRepresentation
bin101011111110…
…1000001110100
31121101101120110
41113331001310
521400302000
62142103020
7366656055
oct127750164
947341513
1023056500
1112018765
12787aa70
134a136cc
1430c272c
152056850
hex15fd074

23056500 has 96 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 5817600.

The previous prime is 23056493. The next prime is 23056507. The reversal of 23056500 is 565032.

It is an interprime number because it is at equal distance from previous prime (23056493) and next prime (23056507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28096 + ... + 28904.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 223056500 is an apocalyptic number.

23056500 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 23056500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35380800).

23056500 is an abundant number, since it is smaller than the sum of its proper divisors (47705100).

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

23056500 is a wasteful number, since it uses less digits than its factorization.

23056500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 23056500 is about 4801.7184423912. The cubic root of 23056500 is about 284.6193749323.

The spelling of 23056500 in words is "twenty-three million, fifty-six thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 125 150 190 228 250 285 300 375 380 475 500 570 750 809 950 1140 1425 1500 1618 1900 2375 2427 2850 3236 4045 4750 4854 5700 7125 8090 9500 9708 12135 14250 15371 16180 20225 24270 28500 30742 40450 46113 48540 60675 61484 76855 80900 92226 101125 121350 153710 184452 202250 230565 242700 303375 307420 384275 404500 461130 606750 768550 922260 1152825 1213500 1537100 1921375 2305650 3842750 4611300 5764125 7685500 11528250 23056500