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345602540 = 22517280127
BaseRepresentation
bin10100100110010…
…111100111101100
3220002022102120002
4110212113213230
51201433240130
654143243432
711364400403
oct2446274754
9802272502
10345602540
111680a1338
12978a9578
13567a675a
1433c8463a
152051ab45
hex149979ec

345602540 has 12 divisors (see below), whose sum is σ = 725765376. Its totient is φ = 138241008.

The previous prime is 345602441. The next prime is 345602557. The reversal of 345602540 is 45206543.

It is a super-2 number, since 2×3456025402 = 238882231308903200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8640044 + ... + 8640083.

It is an arithmetic number, because the mean of its divisors is an integer number (60480448).

Almost surely, 2345602540 is an apocalyptic number.

It is an amenable number.

345602540 is an abundant number, since it is smaller than the sum of its proper divisors (380162836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345602540 is a wasteful number, since it uses less digits than its factorization.

345602540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17280136 (or 17280134 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 345602540 is about 18590.3883767930. The cubic root of 345602540 is about 701.7659763810.

The spelling of 345602540 in words is "three hundred forty-five million, six hundred two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 17280127 34560254 69120508 86400635 172801270 345602540