Search a number
-
+
342451143 = 32188920143
BaseRepresentation
bin10100011010010…
…110001111000111
3212212101022122200
4110122112033013
51200131414033
653551525543
711325533556
oct2432261707
9785338580
10342451143
11166339681
12968298b3
1355c42218
14336a3d9d
15200e7013
hex146963c7

342451143 has 12 divisors (see below), whose sum is σ = 494938080. Its totient is φ = 228168576.

The previous prime is 342451139. The next prime is 342451157. The reversal of 342451143 is 341154243.

It is a happy number.

It is not a de Polignac number, because 342451143 - 22 = 342451139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342451643) 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, 6930 + ... + 27072.

It is an arithmetic number, because the mean of its divisors is an integer number (41244840).

Almost surely, 2342451143 is an apocalyptic number.

342451143 is a deficient number, since it is larger than the sum of its proper divisors (152486937).

342451143 is a wasteful number, since it uses less digits than its factorization.

342451143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22038 (or 22035 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 342451143 is about 18505.4354987933. The cubic root of 342451143 is about 699.6264285615.

The spelling of 342451143 in words is "three hundred forty-two million, four hundred fifty-one thousand, one hundred forty-three".

Divisors: 1 3 9 1889 5667 17001 20143 60429 181287 38050127 114150381 342451143