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345275797 = 1720310341
BaseRepresentation
bin10100100101000…
…111110110010101
3220001200211100111
4110211013312111
51201342311142
654132243021
711361536656
oct2445076625
9801624314
10345275797
111679988a9
1297770471
13566c0b09
1433bdb52d
15204a3e17
hex14947d95

345275797 has 4 divisors (see below), whose sum is σ = 365586156. Its totient is φ = 324965440.

The previous prime is 345275759. The next prime is 345275803. The reversal of 345275797 is 797572543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201611601 + 143664196 = 14199^2 + 11986^2 .

It is a cyclic number.

It is not a de Polignac number, because 345275797 - 27 = 345275669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345275797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345275717) 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, 10155154 + ... + 10155187.

It is an arithmetic number, because the mean of its divisors is an integer number (91396539).

Almost surely, 2345275797 is an apocalyptic number.

It is an amenable number.

345275797 is a deficient number, since it is larger than the sum of its proper divisors (20310359).

345275797 is a wasteful number, since it uses less digits than its factorization.

345275797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310358.

The product of its digits is 1852200, while the sum is 49.

The square root of 345275797 is about 18581.5983435226. The cubic root of 345275797 is about 701.5447497856.

The spelling of 345275797 in words is "three hundred forty-five million, two hundred seventy-five thousand, seven hundred ninety-seven".

Divisors: 1 17 20310341 345275797