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342975 = 35217269
BaseRepresentation
bin1010011101110111111
3122102110210
41103232333
541433400
611203503
72625633
oct1235677
9572423
10342975
11214756
12146593
13c0159
148cdc3
156b950
hex53bbf

342975 has 24 divisors (see below), whose sum is σ = 602640. Its totient is φ = 171520.

The previous prime is 342971. The next prime is 342989. The reversal of 342975 is 579243.

It is not a de Polignac number, because 342975 - 22 = 342971 is a prime.

It is an Ulam number.

342975 is a lucky number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1141 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (25110).

2342975 is an apocalyptic number.

342975 is a deficient number, since it is larger than the sum of its proper divisors (259665).

342975 is a wasteful number, since it uses less digits than its factorization.

342975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 294 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 342975 is about 585.6406748169. The cubic root of 342975 is about 69.9982992784.

The spelling of 342975 in words is "three hundred forty-two thousand, nine hundred seventy-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 269 425 807 1275 1345 4035 4573 6725 13719 20175 22865 68595 114325 342975