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345969617 = 7216122871
BaseRepresentation
bin10100100111110…
…001001111010001
3220010000002002112
4110213301033101
51202032011432
654155155105
711400456530
oct2447611721
9803002075
10345969617
11168322104
1297a45a95
13568a4866
1433d3c317
152058e7b2
hex149f13d1

345969617 has 8 divisors (see below), whose sum is σ = 395594112. Its totient is φ = 296395200.

The previous prime is 345969607. The next prime is 345969653. The reversal of 345969617 is 716969543.

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 345969617 - 216 = 345904081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345969607) 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, 3692 + ... + 26562.

It is an arithmetic number, because the mean of its divisors is an integer number (49449264).

Almost surely, 2345969617 is an apocalyptic number.

It is an amenable number.

345969617 is a deficient number, since it is larger than the sum of its proper divisors (49624495).

345969617 is a wasteful number, since it uses less digits than its factorization.

345969617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25039.

The product of its digits is 1224720, while the sum is 50.

The square root of 345969617 is about 18600.2585197088. The cubic root of 345969617 is about 702.0143455049.

The spelling of 345969617 in words is "three hundred forty-five million, nine hundred sixty-nine thousand, six hundred seventeen".

Divisors: 1 7 2161 15127 22871 160097 49424231 345969617