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232132331 = 1713654843
BaseRepresentation
bin11011101011000…
…00111011101011
3121011210112200202
431311200323223
5433411213311
635011222415
75516043434
oct1565407353
9534715622
10232132331
1110a03a502
12658a7a0b
1339127a12
1422b8848b
15155a4e3b
hexdd60eeb

232132331 has 4 divisors (see below), whose sum is σ = 245787192. Its totient is φ = 218477472.

The previous prime is 232132321. The next prime is 232132333. The reversal of 232132331 is 133231232.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-232132331 is a prime.

It is a super-2 number, since 2×2321323312 = 107770838190987122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232132333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6827405 + ... + 6827438.

It is an arithmetic number, because the mean of its divisors is an integer number (61446798).

Almost surely, 2232132331 is an apocalyptic number.

232132331 is a deficient number, since it is larger than the sum of its proper divisors (13654861).

232132331 is a wasteful number, since it uses less digits than its factorization.

232132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654860.

The product of its digits is 648, while the sum is 20.

The square root of 232132331 is about 15235.8895703533. The cubic root of 232132331 is about 614.5801713102.

Adding to 232132331 its reverse (133231232), we get a palindrome (365363563).

The spelling of 232132331 in words is "two hundred thirty-two million, one hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 17 13654843 232132331