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345888839 = 3747198901
BaseRepresentation
bin10100100111011…
…101100001000111
3220002211222021202
4110213131201013
51202021420324
654153333115
711400002162
oct2447354107
9802758252
10345888839
1116827744a
1297a0719b
1356876b6a
1433d1aad9
15205758ae
hex149dd847

345888839 has 8 divisors (see below), whose sum is σ = 362797248. Its totient is φ = 329378400.

The previous prime is 345888797. The next prime is 345888853. The reversal of 345888839 is 938888543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345888839 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 (345888859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97712 + ... + 101189.

It is an arithmetic number, because the mean of its divisors is an integer number (45349656).

Almost surely, 2345888839 is an apocalyptic number.

345888839 is a deficient number, since it is larger than the sum of its proper divisors (16908409).

345888839 is a wasteful number, since it uses less digits than its factorization.

345888839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198985.

The product of its digits is 6635520, while the sum is 56.

The square root of 345888839 is about 18598.0869715140. The cubic root of 345888839 is about 701.9597051300.

The spelling of 345888839 in words is "three hundred forty-five million, eight hundred eighty-eight thousand, eight hundred thirty-nine".

Divisors: 1 37 47 1739 198901 7359337 9348347 345888839