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232132401 = 3246155949
BaseRepresentation
bin11011101011000…
…00111100110001
3121011210112210100
431311200330301
5433411214101
635011223013
75516043564
oct1565407461
9534715710
10232132401
1110a03a566
12658a7a69
1339127a67
1422b884db
15155a4e86
hexdd60f31

232132401 has 12 divisors (see below), whose sum is σ = 336035700. Its totient is φ = 154416480.

The previous prime is 232132387. The next prime is 232132403. The reversal of 232132401 is 104231232.

232132401 is a `hidden beast` number, since 232 + 1 + 32 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66341025 + 165791376 = 8145^2 + 12876^2 .

It is not a de Polignac number, because 232132401 - 215 = 232099633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232132403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23826 + ... + 32123.

It is an arithmetic number, because the mean of its divisors is an integer number (28002975).

Almost surely, 2232132401 is an apocalyptic number.

It is an amenable number.

232132401 is a deficient number, since it is larger than the sum of its proper divisors (103903299).

232132401 is a wasteful number, since it uses less digits than its factorization.

232132401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56416 (or 56413 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 232132401 is about 15235.8918675606. The cubic root of 232132401 is about 614.5802330862.

Adding to 232132401 its reverse (104231232), we get a palindrome (336363633).

The spelling of 232132401 in words is "two hundred thirty-two million, one hundred thirty-two thousand, four hundred one".

Divisors: 1 3 9 461 1383 4149 55949 167847 503541 25792489 77377467 232132401