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232640151 = 3312501507
BaseRepresentation
bin11011101110111…
…00111010010111
3121012202100021220
431313130322113
5434023441101
635030141423
75523260112
oct1567347227
9535670256
10232640151
1110a356a97
1265ab1873
1339274bc3
1422c7b579
1515655636
hexdddce97

232640151 has 8 divisors (see below), whose sum is σ = 320193024. Its totient is φ = 150090360.

The previous prime is 232640143. The next prime is 232640167. The reversal of 232640151 is 151046232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 232640151 - 23 = 232640143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232640131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1250661 + ... + 1250846.

It is an arithmetic number, because the mean of its divisors is an integer number (40024128).

Almost surely, 2232640151 is an apocalyptic number.

232640151 is a deficient number, since it is larger than the sum of its proper divisors (87552873).

232640151 is a wasteful number, since it uses less digits than its factorization.

232640151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501541.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 232640151 is about 15252.5457219443. The cubic root of 232640151 is about 615.0280032196.

Adding to 232640151 its reverse (151046232), we get a palindrome (383686383).

The spelling of 232640151 in words is "two hundred thirty-two million, six hundred forty thousand, one hundred fifty-one".

Divisors: 1 3 31 93 2501507 7504521 77546717 232640151