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232820325 = 3452114973
BaseRepresentation
bin11011110000010…
…00111001100101
3121020002111110000
431320020321211
5434100222300
635034051513
75524640313
oct1570107145
9536074400
10232820325
1110a46a3a1
1265b79b99
1339308c0a
1422cc70b3
151568dc00
hexde08e65

232820325 has 30 divisors (see below), whose sum is σ = 431267474. Its totient is φ = 124169760.

The previous prime is 232820311. The next prime is 232820353. The reversal of 232820325 is 523028232.

232820325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 66487716 + 166332609 = 8154^2 + 12897^2 .

It is not a de Polignac number, because 232820325 - 27 = 232820197 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 55462 + ... + 59511.

Almost surely, 2232820325 is an apocalyptic number.

232820325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232820325 is a deficient number, since it is larger than the sum of its proper divisors (198447149).

232820325 is a wasteful number, since it uses less digits than its factorization.

232820325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114995 (or 114981 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 232820325 is about 15258.4509371037. The cubic root of 232820325 is about 615.1867368693.

Adding to 232820325 its reverse (523028232), we get a palindrome (755848557).

The spelling of 232820325 in words is "two hundred thirty-two million, eight hundred twenty thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 114973 344919 574865 1034757 1724595 2874325 3104271 5173785 8622975 9312813 15521355 25868925 46564065 77606775 232820325