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345152117 = 472373079
BaseRepresentation
bin10100100100101…
…001101001110101
3220001110112200202
4110210221221311
51201324331432
654125450245
711360513252
oct2444515165
9801415622
10345152117
11167913992
1297710985
135667972b
1433ba8429
152047c462
hex14929a75

345152117 has 4 divisors (see below), whose sum is σ = 345229920. Its totient is φ = 345074316.

The previous prime is 345152111. The next prime is 345152131. The reversal of 345152117 is 711251543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711251543 = 1765940277.

It is a cyclic number.

It is not a de Polignac number, because 345152117 - 214 = 345135733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345152117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345152111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31817 + ... + 41262.

It is an arithmetic number, because the mean of its divisors is an integer number (86307480).

Almost surely, 2345152117 is an apocalyptic number.

It is an amenable number.

345152117 is a deficient number, since it is larger than the sum of its proper divisors (77803).

345152117 is an equidigital number, since it uses as much as digits as its factorization.

345152117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77802.

The product of its digits is 4200, while the sum is 29.

The square root of 345152117 is about 18578.2700217216. The cubic root of 345152117 is about 701.4609738422.

The spelling of 345152117 in words is "three hundred forty-five million, one hundred fifty-two thousand, one hundred seventeen".

Divisors: 1 4723 73079 345152117