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345995797 = 749427971
BaseRepresentation
bin10100100111110…
…111101000010101
3220010001102000011
4110213313220111
51202033331142
654155520221
711400626050
oct2447675025
9803042004
10345995797
1116833a844
1297a59071
13568b3754
1433d47a97
1520597417
hex149f7a15

345995797 has 4 divisors (see below), whose sum is σ = 395423776. Its totient is φ = 296567820.

The previous prime is 345995779. The next prime is 345995807. The reversal of 345995797 is 797599543.

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 345995797 - 215 = 345963029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345995197) 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, 24713979 + ... + 24713992.

It is an arithmetic number, because the mean of its divisors is an integer number (98855944).

Almost surely, 2345995797 is an apocalyptic number.

It is an amenable number.

345995797 is a deficient number, since it is larger than the sum of its proper divisors (49427979).

345995797 is an equidigital number, since it uses as much as digits as its factorization.

345995797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49427978.

The product of its digits is 10716300, while the sum is 58.

The square root of 345995797 is about 18600.9622600553. The cubic root of 345995797 is about 702.0320525242.

The spelling of 345995797 in words is "three hundred forty-five million, nine hundred ninety-five thousand, seven hundred ninety-seven".

Divisors: 1 7 49427971 345995797