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345442525 = 5270919489
BaseRepresentation
bin10100100101110…
…000100011011101
3220002000022001121
4110211300203131
51201413130100
654140010541
711363133031
oct2445604335
9802008047
10345442525
11167aa209a
1297830a51
135674b97c
1433c421c1
15204d851a
hex149708dd

345442525 has 12 divisors (see below), whose sum is σ = 428974900. Its totient is φ = 275950080.

The previous prime is 345442483. The next prime is 345442529. The reversal of 345442525 is 525244543.

It can be written as a sum of positive squares in 6 ways, for example, as 134699236 + 210743289 = 11606^2 + 14517^2 .

It is not a de Polignac number, because 345442525 - 211 = 345440477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345442529) 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, 7981 + ... + 27469.

Almost surely, 2345442525 is an apocalyptic number.

It is an amenable number.

345442525 is a deficient number, since it is larger than the sum of its proper divisors (83532375).

345442525 is a wasteful number, since it uses less digits than its factorization.

345442525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20208 (or 20203 counting only the distinct ones).

The product of its digits is 96000, while the sum is 34.

The square root of 345442525 is about 18586.0841760711. The cubic root of 345442525 is about 701.6576530858.

The spelling of 345442525 in words is "three hundred forty-five million, four hundred forty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 709 3545 17725 19489 97445 487225 13817701 69088505 345442525