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345932139 = 3716472959
BaseRepresentation
bin10100100111101…
…000000101101011
3220002221011200110
4110213220011223
51202024312024
654154305403
711400242340
oct2447500553
9802834613
10345932139
111682a6a33
1297a28263
1356890797
1433d2c7c7
1520583629
hex149e816b

345932139 has 8 divisors (see below), whose sum is σ = 527134720. Its totient is φ = 197675496.

The previous prime is 345932089. The next prime is 345932141. The reversal of 345932139 is 931239543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345932139 - 29 = 345931627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345932097 and 345932106.

It is not an unprimeable number, because it can be changed into a prime (345932339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8236459 + ... + 8236500.

It is an arithmetic number, because the mean of its divisors is an integer number (65891840).

Almost surely, 2345932139 is an apocalyptic number.

345932139 is a deficient number, since it is larger than the sum of its proper divisors (181202581).

345932139 is a wasteful number, since it uses less digits than its factorization.

345932139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16472969.

The product of its digits is 87480, while the sum is 39.

The square root of 345932139 is about 18599.2510333078. The cubic root of 345932139 is about 701.9889954525.

The spelling of 345932139 in words is "three hundred forty-five million, nine hundred thirty-two thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 16472959 49418877 115310713 345932139