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242363151 = 338976413
BaseRepresentation
bin11100111001000…
…10101100001111
3121220001022202000
432130202230033
5444021110101
640014403343
76002024052
oct1634425417
9556038660
10242363151
11114898028
1269200553
133b29a664
142428ca99
1516426486
hexe722b0f

242363151 has 8 divisors (see below), whose sum is σ = 359056560. Its totient is φ = 161575416.

The previous prime is 242363137. The next prime is 242363201. The reversal of 242363151 is 151363242.

242363151 is a `hidden beast` number, since 2 + 4 + 23 + 631 + 5 + 1 = 666.

It is not a de Polignac number, because 242363151 - 26 = 242363087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8976413 = 242363151 / (2 + 4 + 2 + 3 + 6 + 3 + 1 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242363111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4488180 + ... + 4488233.

It is an arithmetic number, because the mean of its divisors is an integer number (44882070).

Almost surely, 2242363151 is an apocalyptic number.

242363151 is a deficient number, since it is larger than the sum of its proper divisors (116693409).

242363151 is an equidigital number, since it uses as much as digits as its factorization.

242363151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976422 (or 8976416 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 242363151 is about 15568.0169257359. The cubic root of 242363151 is about 623.4795262415.

Subtracting from 242363151 its reverse (151363242), we obtain a palindrome (90999909).

The spelling of 242363151 in words is "two hundred forty-two million, three hundred sixty-three thousand, one hundred fifty-one".

Divisors: 1 3 9 27 8976413 26929239 80787717 242363151