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342983 = 2911827
BaseRepresentation
bin1010011101111000111
3122102111002
41103233013
541433413
611203515
72625644
oct1235707
9572432
10342983
11214763
1214659b
13c0164
148cdcb
156b958
hex53bc7

342983 has 4 divisors (see below), whose sum is σ = 354840. Its totient is φ = 331128.

The previous prime is 342971. The next prime is 342989. The reversal of 342983 is 389243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389243 = 2691447.

It is a cyclic number.

It is not a de Polignac number, because 342983 - 210 = 341959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 11827 = 342983 / (3 + 4 + 2 + 9 + 8 + 3).

It is a d-powerful number, because it can be written as 35 + 45 + 93 + 217 + 85 + 311 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342989) 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, 5885 + ... + 5942.

It is an arithmetic number, because the mean of its divisors is an integer number (88710).

2342983 is an apocalyptic number.

342983 is a deficient number, since it is larger than the sum of its proper divisors (11857).

342983 is a wasteful number, since it uses less digits than its factorization.

342983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856.

The product of its digits is 5184, while the sum is 29.

The square root of 342983 is about 585.6475049038. The cubic root of 342983 is about 69.9988435183.

The spelling of 342983 in words is "three hundred forty-two thousand, nine hundred eighty-three".

Divisors: 1 29 11827 342983