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342531 = 3275437
BaseRepresentation
bin1010011101000000011
3122101212100
41103220003
541430111
611201443
72624430
oct1235003
9571770
10342531
11214392
12146283
13bcba7
148cb87
156b756
hex53a03

342531 has 12 divisors (see below), whose sum is σ = 565552. Its totient is φ = 195696.

The previous prime is 342527. The next prime is 342547. The reversal of 342531 is 135243.

It is not a de Polignac number, because 342531 - 22 = 342527 is a prime.

It is a super-2 number, since 2×3425312 = 234654971922, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342531.

It is not an unprimeable number, because it can be changed into a prime (342521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2656 + ... + 2781.

2342531 is an apocalyptic number.

342531 is a deficient number, since it is larger than the sum of its proper divisors (223021).

342531 is a wasteful number, since it uses less digits than its factorization.

342531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450 (or 5447 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 342531 is about 585.2614800241. The cubic root of 342531 is about 69.9680806854.

Adding to 342531 its reverse (135243), we get a palindrome (477774).

The spelling of 342531 in words is "three hundred forty-two thousand, five hundred thirty-one".

Divisors: 1 3 7 9 21 63 5437 16311 38059 48933 114177 342531