Search a number
-
+
23272938 = 23213271367
BaseRepresentation
bin101100011000…
…1110111101010
31121210101110200
41120301313222
521424213223
62150453030
7401550063
oct130616752
947711420
1023272938
1112156337
127964176
134a8b090
14313b56a
15209aa43
hex1631dea

23272938 has 48 divisors (see below), whose sum is σ = 54652416. Its totient is φ = 7115040.

The previous prime is 23272927. The next prime is 23272939. The reversal of 23272938 is 83927232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23272939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63231 + ... + 63597.

It is an arithmetic number, because the mean of its divisors is an integer number (1138592).

Almost surely, 223272938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23272938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27326208).

23272938 is an abundant number, since it is smaller than the sum of its proper divisors (31379478).

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

23272938 is a wasteful number, since it uses less digits than its factorization.

23272938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 656 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23272938 is about 4824.2033539228. The cubic root of 23272938 is about 285.5072039224.

The spelling of 23272938 in words is "twenty-three million, two hundred seventy-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 271 367 542 734 813 1101 1626 2202 2439 3303 3523 4771 4878 6606 7046 9542 10569 14313 21138 28626 31707 42939 63414 85878 99457 198914 298371 596742 895113 1292941 1790226 2585882 3878823 7757646 11636469 23272938