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345125075 = 52177271117
BaseRepresentation
bin10100100100100…
…011000011010011
3220001102011121012
4110210203003103
51201323000300
654125121135
711360341361
oct2444430323
9801364535
10345125075
111678a5639
12976b91ab
135666a329
1433b9c631
1520474435
hex149230d3

345125075 has 24 divisors (see below), whose sum is σ = 454158432. Its totient is φ = 259269120.

The previous prime is 345125071. The next prime is 345125111. The reversal of 345125075 is 570521543.

It is not a de Polignac number, because 345125075 - 22 = 345125071 is a prime.

It is a super-2 number, since 2×3451250752 = 238222634787511250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345125071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308417 + ... + 309533.

It is an arithmetic number, because the mean of its divisors is an integer number (18923268).

Almost surely, 2345125075 is an apocalyptic number.

345125075 is a deficient number, since it is larger than the sum of its proper divisors (109033357).

345125075 is a wasteful number, since it uses less digits than its factorization.

345125075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 345125075 is about 18577.5422217257. The cubic root of 345125075 is about 701.4426539941.

The spelling of 345125075 in words is "three hundred forty-five million, one hundred twenty-five thousand, seventy-five".

Divisors: 1 5 17 25 85 425 727 1117 3635 5585 12359 18175 18989 27925 61795 94945 308975 474725 812059 4060295 13805003 20301475 69025015 345125075