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242426149 = 7192936221
BaseRepresentation
bin11100111001100…
…10000100100101
3121220011112011021
432130302010211
5444030114044
640020011141
76002405530
oct1634620445
9556145137
10242426149
11114930399
1269230ab1
133b2c0234
14242a7a17
1516439e84
hexe732125

242426149 has 16 divisors (see below), whose sum is σ = 292682880. Its totient is φ = 196153920.

The previous prime is 242426123. The next prime is 242426203. The reversal of 242426149 is 941624242.

It is a cyclic number.

It is not a de Polignac number, because 242426149 - 25 = 242426117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242426449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35859 + ... + 42079.

It is an arithmetic number, because the mean of its divisors is an integer number (18292680).

Almost surely, 2242426149 is an apocalyptic number.

It is an amenable number.

242426149 is a deficient number, since it is larger than the sum of its proper divisors (50256731).

242426149 is a wasteful number, since it uses less digits than its factorization.

242426149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6540.

The product of its digits is 27648, while the sum is 34.

The square root of 242426149 is about 15570.0401091327. The cubic root of 242426149 is about 623.5335423743.

The spelling of 242426149 in words is "two hundred forty-two million, four hundred twenty-six thousand, one hundred forty-nine".

Divisors: 1 7 19 133 293 2051 5567 6221 38969 43547 118199 827393 1822753 12759271 34632307 242426149