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345901457 = 1131445587
BaseRepresentation
bin10100100111100…
…000100110010001
3220002212121121002
4110213200212101
51202022321312
654153511345
711400054026
oct2447404621
9802777532
10345901457
11168285980
1297a12555
135687c825
1433d2154d
15205794c2
hex149e0991

345901457 has 4 divisors (see below), whose sum is σ = 377347056. Its totient is φ = 314455860.

The previous prime is 345901447. The next prime is 345901459. The reversal of 345901457 is 754109543.

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.

It is a cyclic number.

It is not a de Polignac number, because 345901457 - 210 = 345900433 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 345901457.

It is not an unprimeable number, because it can be changed into a prime (345901459) 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, 15722783 + ... + 15722804.

It is an arithmetic number, because the mean of its divisors is an integer number (94336764).

Almost surely, 2345901457 is an apocalyptic number.

It is an amenable number.

345901457 is a deficient number, since it is larger than the sum of its proper divisors (31445599).

345901457 is a wasteful number, since it uses less digits than its factorization.

345901457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31445598.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 345901457 is about 18598.4261968587. The cubic root of 345901457 is about 701.9682408394.

The spelling of 345901457 in words is "three hundred forty-five million, nine hundred one thousand, four hundred fifty-seven".

Divisors: 1 11 31445587 345901457