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342997 = 2271511
BaseRepresentation
bin1010011101111010101
3122102111121
41103233111
541433442
611203541
72625664
oct1235725
9572447
10342997
11214776
121465b1
13c0175
148cddb
156b967
hex53bd5

342997 has 4 divisors (see below), whose sum is σ = 344736. Its totient is φ = 341260.

The previous prime is 342989. The next prime is 343019. The reversal of 342997 is 799243.

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 342997 - 23 = 342989 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 (342197) 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, 529 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

2342997 is an apocalyptic number.

It is an amenable number.

342997 is a deficient number, since it is larger than the sum of its proper divisors (1739).

342997 is a wasteful number, since it uses less digits than its factorization.

342997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738.

The product of its digits is 13608, while the sum is 34.

The square root of 342997 is about 585.6594573641. The cubic root of 342997 is about 69.9997959178. Note that the first 3 decimals are identical.

The spelling of 342997 in words is "three hundred forty-two thousand, nine hundred ninety-seven".

Divisors: 1 227 1511 342997