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345739401 = 3371829309
BaseRepresentation
bin10100100110111…
…001000010001001
3220002120101022000
4110212321002021
51202002130101
654150221213
711365510410
oct2446710211
9802511260
10345739401
11168185147
1297954809
1356823b37
1433cbc477
1520546486
hex149b9089

345739401 has 16 divisors (see below), whose sum is σ = 585379200. Its totient is φ = 197565264.

The previous prime is 345739343. The next prime is 345739411. The reversal of 345739401 is 104937543.

It is not a de Polignac number, because 345739401 - 26 = 345739337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345739411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914466 + ... + 914843.

It is an arithmetic number, because the mean of its divisors is an integer number (36586200).

Almost surely, 2345739401 is an apocalyptic number.

It is an amenable number.

345739401 is a deficient number, since it is larger than the sum of its proper divisors (239639799).

345739401 is a wasteful number, since it uses less digits than its factorization.

345739401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829325 (or 1829319 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 345739401 is about 18594.0689737346. The cubic root of 345739401 is about 701.8585988851.

The spelling of 345739401 in words is "three hundred forty-five million, seven hundred thirty-nine thousand, four hundred one".

Divisors: 1 3 7 9 21 27 63 189 1829309 5487927 12805163 16463781 38415489 49391343 115246467 345739401