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345012070 = 251319139681
BaseRepresentation
bin10100100100000…
…111011101100110
3220001012102120211
4110210013131212
51201310341240
654122450034
711356361044
oct2444073546
9801172524
10345012070
11167828747
129766391a
135662aa70
1433b6d394
1520450bea
hex14907766

345012070 has 32 divisors (see below), whose sum is σ = 703997280. Its totient is φ = 120683520.

The previous prime is 345012067. The next prime is 345012097. The reversal of 345012070 is 70210543.

345012070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67371 + ... + 72310.

It is an arithmetic number, because the mean of its divisors is an integer number (21999915).

Almost surely, 2345012070 is an apocalyptic number.

345012070 is an abundant number, since it is smaller than the sum of its proper divisors (358985210).

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

345012070 is a wasteful number, since it uses less digits than its factorization.

345012070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139720.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 345012070 is about 18574.5005316428. The cubic root of 345012070 is about 701.3660873753.

The spelling of 345012070 in words is "three hundred forty-five million, twelve thousand, seventy".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 139681 279362 698405 1396810 1815853 2653939 3631706 5307878 9079265 13269695 18158530 26539390 34501207 69002414 172506035 345012070