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242207913 = 3292783999
BaseRepresentation
bin11100110111111…
…00110010101001
3121212202102210110
432123330302221
5444001123123
640011204533
76000506343
oct1633746251
9555672713
10242207913
111147a1432
1269146749
133b244abc
142424c293
15163e5493
hexe6fcca9

242207913 has 8 divisors (see below), whose sum is σ = 334080000. Its totient is φ = 155903888.

The previous prime is 242207887. The next prime is 242207939. The reversal of 242207913 is 319702242.

It is an interprime number because it is at equal distance from previous prime (242207887) and next prime (242207939).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242207913 - 213 = 242199721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242207983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391913 + ... + 1392086.

It is an arithmetic number, because the mean of its divisors is an integer number (41760000).

Almost surely, 2242207913 is an apocalyptic number.

It is an amenable number.

242207913 is a deficient number, since it is larger than the sum of its proper divisors (91872087).

242207913 is a wasteful number, since it uses less digits than its factorization.

242207913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784031.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 242207913 is about 15563.0303283133. The cubic root of 242207913 is about 623.3463811568.

The spelling of 242207913 in words is "two hundred forty-two million, two hundred seven thousand, nine hundred thirteen".

Divisors: 1 3 29 87 2783999 8351997 80735971 242207913