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232472025 = 3552172251
BaseRepresentation
bin11011101101100…
…11110111011001
3121012102210200000
431312303313121
5434003101100
635022403213
75521660002
oct1566636731
9535383600
10232472025
1110a251745
1265a30509
1339216516
1422c361a9
1515620900
hexddb3dd9

232472025 has 72 divisors (see below), whose sum is σ = 457408224. Its totient is φ = 116640000.

The previous prime is 232471979. The next prime is 232472047. The reversal of 232472025 is 520274232.

It is not a de Polignac number, because 232472025 - 211 = 232469977 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 232472025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102150 + ... + 104400.

It is an arithmetic number, because the mean of its divisors is an integer number (6352892).

Almost surely, 2232472025 is an apocalyptic number.

232472025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232472025 is a deficient number, since it is larger than the sum of its proper divisors (224936199).

232472025 is a wasteful number, since it uses less digits than its factorization.

232472025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2276 counting only the distinct ones).

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

The square root of 232472025 is about 15247.0333179934. The cubic root of 232472025 is about 614.8798099452.

The spelling of 232472025 in words is "two hundred thirty-two million, four hundred seventy-two thousand, twenty-five".

Divisors: 1 3 5 9 15 17 25 27 45 51 75 81 85 135 153 225 243 255 405 425 459 675 765 1215 1275 1377 2025 2251 2295 3825 4131 6075 6753 6885 11255 11475 20259 20655 33765 34425 38267 56275 60777 101295 103275 114801 168825 182331 191335 303885 344403 506475 546993 574005 911655 956675 1033209 1519425 1722015 2734965 2870025 3099627 4558275 5166045 8610075 9298881 13674825 15498135 25830225 46494405 77490675 232472025