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345682897 = 7237190669
BaseRepresentation
bin10100100110101…
…011001111010001
3220002110111210021
4110212223033101
51201443323042
654145103441
711365153600
oct2446531721
9802414707
10345682897
1116814674a
1297927b81
13568041c1
1433ca5a37
1520534867
hex149ab3d1

345682897 has 12 divisors (see below), whose sum is σ = 412991220. Its totient is φ = 288290016.

The previous prime is 345682889. The next prime is 345682901. The reversal of 345682897 is 798286543.

It can be written as a sum of positive squares in 2 ways, for example, as 324144016 + 21538881 = 18004^2 + 4641^2 .

It is not a de Polignac number, because 345682897 - 23 = 345682889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345682807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93522 + ... + 97147.

It is an arithmetic number, because the mean of its divisors is an integer number (34415935).

Almost surely, 2345682897 is an apocalyptic number.

345682897 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

345682897 is a deficient number, since it is larger than the sum of its proper divisors (67308323).

345682897 is a wasteful number, since it uses less digits than its factorization.

345682897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190720 (or 190713 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 345682897 is about 18592.5495024217. The cubic root of 345682897 is about 701.8203620138.

The spelling of 345682897 in words is "three hundred forty-five million, six hundred eighty-two thousand, eight hundred ninety-seven".

Divisors: 1 7 37 49 259 1813 190669 1334683 7054753 9342781 49383271 345682897