Search a number
-
+
23275620 = 2233543103
BaseRepresentation
bin101100011001…
…0100001100100
31121210112011000
41120302201210
521424304440
62150513300
7401560644
oct130624144
947715130
1023275620
1112158355
127965830
134a8c374
14313c524
15209b730
hex1632864

23275620 has 48 divisors (see below), whose sum is σ = 72414720. Its totient is φ = 6206688.

The previous prime is 23275613. The next prime is 23275643. The reversal of 23275620 is 2657232.

23275620 is a `hidden beast` number, since 2 + 32 + 7 + 5 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21012 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (1508640).

Almost surely, 223275620 is an apocalyptic number.

23275620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23275620 is an abundant number, since it is smaller than the sum of its proper divisors (49139100).

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

23275620 is a wasteful number, since it uses less digits than its factorization.

23275620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43121 (or 43113 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 23275620 is about 4824.4813192715. The cubic root of 23275620 is about 285.5181708934.

The spelling of 23275620 in words is "twenty-three million, two hundred seventy-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 43103 86206 129309 172412 215515 258618 387927 431030 517236 646545 775854 862060 1163781 1293090 1551708 1939635 2327562 2586180 3879270 4655124 5818905 7758540 11637810 23275620