Search a number
-
+
23274225 = 32521373109
BaseRepresentation
bin101100011001…
…0001011110001
31121210110020100
41120302023301
521424233400
62150503013
7401553612
oct130621361
947713210
1023274225
11121572a7
127964a69
134a8b840
14313bc09
15209b100
hex16322f1

23274225 has 72 divisors (see below), whose sum is σ = 45925880. Its totient is φ = 11197440.

The previous prime is 23274191. The next prime is 23274233. The reversal of 23274225 is 52247232.

23274225 is a `hidden beast` number, since 232 + 7 + 422 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 7306209 + 15968016 = 2703^2 + 3996^2 .

It is not a de Polignac number, because 23274225 - 29 = 23273713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 213471 + ... + 213579.

Almost surely, 223274225 is an apocalyptic number.

23274225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23274225 is a deficient number, since it is larger than the sum of its proper divisors (22651655).

23274225 is a wasteful number, since it uses less digits than its factorization.

23274225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 203 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 23274225 is about 4824.3367419781. The cubic root of 23274225 is about 285.5124667016.

The spelling of 23274225 in words is "twenty-three million, two hundred seventy-four thousand, two hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 39 45 65 73 75 109 117 195 219 225 325 327 365 545 585 657 949 975 981 1095 1417 1635 1825 2725 2847 2925 3285 4251 4745 4905 5475 7085 7957 8175 8541 12753 14235 16425 21255 23725 23871 24525 35425 39785 42705 63765 71175 71613 103441 106275 119355 198925 213525 310323 318825 358065 517205 596775 930969 1551615 1790325 2586025 4654845 7758075 23274225