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242084957 is a prime number
BaseRepresentation
bin11100110110111…
…10110001011101
3121212112012010112
432123132301131
5443433204312
640004415405
75666455022
oct1633366135
9555465115
10242084957
11114718014
12690a7565
133b200b4a
1424219549
15163bdd22
hexe6dec5d

242084957 has 2 divisors, whose sum is σ = 242084958. Its totient is φ = 242084956.

The previous prime is 242084939. The next prime is 242084971. The reversal of 242084957 is 759480242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240219001 + 1865956 = 15499^2 + 1366^2 .

It is a cyclic number.

It is not a de Polignac number, because 242084957 - 28 = 242084701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242084057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121042478 + 121042479.

It is an arithmetic number, because the mean of its divisors is an integer number (121042479).

Almost surely, 2242084957 is an apocalyptic number.

It is an amenable number.

242084957 is a deficient number, since it is larger than the sum of its proper divisors (1).

242084957 is an equidigital number, since it uses as much as digits as its factorization.

242084957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 242084957 is about 15559.0795678922. The cubic root of 242084957 is about 623.2408834328.

The spelling of 242084957 in words is "two hundred forty-two million, eighty-four thousand, nine hundred fifty-seven".