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23045500 = 225346091
BaseRepresentation
bin101011111101…
…0010101111100
31121100211111001
41113322111330
521344424000
62141540044
7366612022
oct127722574
947324431
1023045500
1112010475
127874624
134a0b6ba
1430bc712
15205346a
hex15fa57c

23045500 has 24 divisors (see below), whose sum is σ = 50332464. Its totient is φ = 9218000.

The previous prime is 23045497. The next prime is 23045573. The reversal of 23045500 is 554032.

It is a happy number.

It is a congruent number.

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, 22546 + ... + 23545.

It is an arithmetic number, because the mean of its divisors is an integer number (2097186).

Almost surely, 223045500 is an apocalyptic number.

23045500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23045500 is an abundant number, since it is smaller than the sum of its proper divisors (27286964).

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

23045500 is a wasteful number, since it uses less digits than its factorization.

23045500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46110 (or 46098 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 23045500 is about 4800.5728824798. The cubic root of 23045500 is about 284.5741048184.

Adding to 23045500 its reverse (554032), we get a palindrome (23599532).

The spelling of 23045500 in words is "twenty-three million, forty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 46091 92182 184364 230455 460910 921820 1152275 2304550 4609100 5761375 11522750 23045500