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242434455 = 3553304949
BaseRepresentation
bin11100111001101…
…00000110010111
3121220011221112220
432130310012113
5444030400310
640020113423
76002441664
oct1634640627
9556157486
10242434455
1111493665a
1269235873
133b2c3c53
14242aaa6b
151643c670
hexe734197

242434455 has 16 divisors (see below), whose sum is σ = 395215200. Its totient is φ = 126858368.

The previous prime is 242434453. The next prime is 242434459. The reversal of 242434455 is 554434242.

It is a cyclic number.

It is not a de Polignac number, because 242434455 - 21 = 242434453 is a prime.

It is a super-2 number, since 2×2424344552 = 117548929942294050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242434453) 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, 151680 + ... + 153269.

It is an arithmetic number, because the mean of its divisors is an integer number (24700950).

Almost surely, 2242434455 is an apocalyptic number.

242434455 is a deficient number, since it is larger than the sum of its proper divisors (152780745).

242434455 is a wasteful number, since it uses less digits than its factorization.

242434455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305010.

The product of its digits is 76800, while the sum is 33.

The square root of 242434455 is about 15570.3068370537. The cubic root of 242434455 is about 623.5406634577.

Adding to 242434455 its reverse (554434242), we get a palindrome (796868697).

The spelling of 242434455 in words is "two hundred forty-two million, four hundred thirty-four thousand, four hundred fifty-five".

Divisors: 1 3 5 15 53 159 265 795 304949 914847 1524745 4574235 16162297 48486891 80811485 242434455