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242535151 = 268390397
BaseRepresentation
bin11100111010011…
…00101011101111
3121220101001200101
432131030223233
5444042111101
640022211531
76003341365
oct1635145357
9556331611
10242535151
111149a5281
1269283ba7
133b32aa31
14242d5635
151645c401
hexe74caef

242535151 has 4 divisors (see below), whose sum is σ = 242628232. Its totient is φ = 242442072.

The previous prime is 242535121. The next prime is 242535157. The reversal of 242535151 is 151535242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242535151 - 25 = 242535119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242535157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42516 + ... + 47881.

It is an arithmetic number, because the mean of its divisors is an integer number (60657058).

Almost surely, 2242535151 is an apocalyptic number.

242535151 is a deficient number, since it is larger than the sum of its proper divisors (93081).

242535151 is an equidigital number, since it uses as much as digits as its factorization.

242535151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93080.

The product of its digits is 6000, while the sum is 28.

The square root of 242535151 is about 15573.5400920921. The cubic root of 242535151 is about 623.6269814408.

Subtracting from 242535151 its reverse (151535242), we obtain a palindrome (90999909).

The spelling of 242535151 in words is "two hundred forty-two million, five hundred thirty-five thousand, one hundred fifty-one".

Divisors: 1 2683 90397 242535151