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242735345 = 5157373829
BaseRepresentation
bin11100111011111…
…01100011110001
3121220202020021222
432131331203301
5444120012340
640030354425
76005134136
oct1635754361
9556666258
10242735345
11115021726
126935ba15
133b39aba8
142434858d
151649b8b5
hexe77d8f1

242735345 has 16 divisors (see below), whose sum is σ = 294278160. Its totient is φ = 192201984.

The previous prime is 242735341. The next prime is 242735347. The reversal of 242735345 is 543537242.

It can be written as a sum of positive squares in 8 ways, for example, as 3352561 + 239382784 = 1831^2 + 15472^2 .

It is a cyclic number.

It is not a de Polignac number, because 242735345 - 22 = 242735341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242735341) 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, 292391 + ... + 293219.

It is an arithmetic number, because the mean of its divisors is an integer number (18392385).

Almost surely, 2242735345 is an apocalyptic number.

It is an amenable number.

242735345 is a deficient number, since it is larger than the sum of its proper divisors (51542815).

242735345 is a wasteful number, since it uses less digits than its factorization.

242735345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its digits is 100800, while the sum is 35.

The square root of 242735345 is about 15579.9661424536. The cubic root of 242735345 is about 623.7985195248.

The spelling of 242735345 in words is "two hundred forty-two million, seven hundred thirty-five thousand, three hundred forty-five".

Divisors: 1 5 157 373 785 829 1865 4145 58561 130153 292805 309217 650765 1546085 48547069 242735345