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345360025 = 5279717333
BaseRepresentation
bin10100100101011…
…100011010011001
3220001212002220001
4110211130122121
51201403010100
654134133001
711362340353
oct2445343231
9801762801
10345360025
11167a4610a
12977b1161
135672025a
1433c200d3
15204bdd6a
hex1495c699

345360025 has 12 divisors (see below), whose sum is σ = 428808492. Its totient is φ = 275925440.

The previous prime is 345360023. The next prime is 345360053. The reversal of 345360025 is 520063543.

It can be written as a sum of positive squares in 6 ways, for example, as 59783824 + 285576201 = 7732^2 + 16899^2 .

It is not a de Polignac number, because 345360025 - 21 = 345360023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345359975 and 345360002.

It is not an unprimeable number, because it can be changed into a prime (345360023) 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, 11259 + ... + 28591.

It is an arithmetic number, because the mean of its divisors is an integer number (35734041).

Almost surely, 2345360025 is an apocalyptic number.

It is an amenable number.

345360025 is a deficient number, since it is larger than the sum of its proper divisors (83448467).

345360025 is a wasteful number, since it uses less digits than its factorization.

345360025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18140 (or 18135 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 345360025 is about 18583.8646411343. The cubic root of 345360025 is about 701.6017910528.

The spelling of 345360025 in words is "three hundred forty-five million, three hundred sixty thousand, twenty-five".

Divisors: 1 5 25 797 3985 17333 19925 86665 433325 13814401 69072005 345360025