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23398272 = 2732191069
BaseRepresentation
bin101100101000…
…0011110000000
31122000202101200
41121100132000
521442221042
62153301200
7402611352
oct131203600
948022350
1023398272
1112231517
127a04800
134b03141
1431710d2
1520c2c4c
hex1650780

23398272 has 96 divisors (see below), whose sum is σ = 70941000. Its totient is φ = 7382016.

The previous prime is 23398259. The next prime is 23398289. The reversal of 23398272 is 27289332.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21354 + ... + 22422.

Almost surely, 223398272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23398272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35470500).

23398272 is an abundant number, since it is smaller than the sum of its proper divisors (47542728).

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

23398272 is a wasteful number, since it uses less digits than its factorization.

23398272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1093 counting only the distinct ones).

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

The square root of 23398272 is about 4837.1760356638. The cubic root of 23398272 is about 286.0188097887.

The spelling of 23398272 in words is "twenty-three million, three hundred ninety-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 288 304 342 384 456 576 608 684 912 1069 1152 1216 1368 1824 2138 2432 2736 3207 3648 4276 5472 6414 7296 8552 9621 10944 12828 17104 19242 20311 21888 25656 34208 38484 40622 51312 60933 68416 76968 81244 102624 121866 136832 153936 162488 182799 205248 243732 307872 324976 365598 410496 487464 615744 649952 731196 974928 1231488 1299904 1462392 1949856 2599808 2924784 3899712 5849568 7799424 11699136 23398272