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345125 = 5311251
BaseRepresentation
bin1010100010000100101
3122112102102
41110100211
542021000
611221445
72635124
oct1242045
9575372
10345125
11216330
12147885
13c1121
148dabb
156c3d5
hex54425

345125 has 16 divisors (see below), whose sum is σ = 471744. Its totient is φ = 250000.

The previous prime is 345109. The next prime is 345133. The reversal of 345125 is 521543.

It is not a de Polignac number, because 345125 - 24 = 345109 is a prime.

It is a super-2 number, since 2×3451252 = 238222531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345097 and 345106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2345125 is an apocalyptic number.

It is an amenable number.

345125 is a deficient number, since it is larger than the sum of its proper divisors (126619).

345125 is a wasteful number, since it uses less digits than its factorization.

345125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 267 counting only the distinct ones).

The product of its digits is 600, while the sum is 20.

The square root of 345125 is about 587.4734036533. The cubic root of 345125 is about 70.1442603183.

Adding to 345125 its reverse (521543), we get a palindrome (866668).

The spelling of 345125 in words is "three hundred forty-five thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 251 275 1255 1375 2761 6275 13805 31375 69025 345125