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232671997 = 239973523
BaseRepresentation
bin11011101111001…
…00101011111101
3121012210221222101
431313210223331
5434031000442
635030545101
75523452005
oct1567445375
9535727871
10232671997
1110a378a08
1265b08191
133928654c
1422c89005
151565ecb7
hexdde4afd

232671997 has 4 divisors (see below), whose sum is σ = 233645760. Its totient is φ = 231698236.

The previous prime is 232671937. The next prime is 232672003. The reversal of 232671997 is 799176232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232671997 - 215 = 232639229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232671917) 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 3 ways as a sum of consecutive naturals, for example, 486523 + ... + 487000.

It is an arithmetic number, because the mean of its divisors is an integer number (58411440).

Almost surely, 2232671997 is an apocalyptic number.

It is an amenable number.

232671997 is a deficient number, since it is larger than the sum of its proper divisors (973763).

232671997 is an equidigital number, since it uses as much as digits as its factorization.

232671997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973762.

The product of its digits is 285768, while the sum is 46.

The square root of 232671997 is about 15253.5896430971. The cubic root of 232671997 is about 615.0560655697.

The spelling of 232671997 in words is "two hundred thirty-two million, six hundred seventy-one thousand, nine hundred ninety-seven".

Divisors: 1 239 973523 232671997