Search a number
-
+
342542481 = 31994391307
BaseRepresentation
bin10100011010101…
…100100010010001
3212212112221221120
4110122230202101
51200142324411
653553512453
711326364061
oct2432544221
9785487846
10342542481
111663a1266
1296872729
1355c74978
14336c93a1
1520114106
hex146ac891

342542481 has 16 divisors (see below), whose sum is σ = 460416000. Its totient is φ = 226523088.

The previous prime is 342542479. The next prime is 342542483. The reversal of 342542481 is 184245243.

It is an interprime number because it is at equal distance from previous prime (342542479) and next prime (342542483).

It is not a de Polignac number, because 342542481 - 21 = 342542479 is a prime.

It is a super-2 number, since 2×3425424812 = 234670702579270722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342542483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261430 + ... + 262736.

It is an arithmetic number, because the mean of its divisors is an integer number (28776000).

Almost surely, 2342542481 is an apocalyptic number.

It is an amenable number.

342542481 is a deficient number, since it is larger than the sum of its proper divisors (117873519).

342542481 is a wasteful number, since it uses less digits than its factorization.

342542481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its digits is 30720, while the sum is 33.

The square root of 342542481 is about 18507.9032037668. The cubic root of 342542481 is about 699.6886240985.

The spelling of 342542481 in words is "three hundred forty-two million, five hundred forty-two thousand, four hundred eighty-one".

Divisors: 1 3 199 439 597 1307 1317 3921 87361 260093 262083 573773 780279 1721319 114180827 342542481