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239880997 = 4713033917
BaseRepresentation
bin11100100110001…
…00101100100101
3121201101012212101
432103010230211
5442402142442
635445252101
75641645336
oct1623045445
9551335771
10239880997
11113452164
1268404031
133a90b925
1423c0428d
15160d5cb7
hexe4c4b25

239880997 has 8 divisors (see below), whose sum is σ = 245235456. Its totient is φ = 234537072.

The previous prime is 239880967. The next prime is 239881001. The reversal of 239880997 is 799088932.

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

It is a cyclic number.

It is not a de Polignac number, because 239880997 - 223 = 231492389 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 (239880967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59283 + ... + 63199.

It is an arithmetic number, because the mean of its divisors is an integer number (30654432).

Almost surely, 2239880997 is an apocalyptic number.

It is an amenable number.

239880997 is a deficient number, since it is larger than the sum of its proper divisors (5354459).

239880997 is a wasteful number, since it uses less digits than its factorization.

239880997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 239880997 is about 15488.0921032902. The cubic root of 239880997 is about 621.3437703233.

The spelling of 239880997 in words is "two hundred thirty-nine million, eight hundred eighty thousand, nine hundred ninety-seven".

Divisors: 1 47 1303 3917 61241 184099 5103851 239880997