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242895631 = 1147946099
BaseRepresentation
bin11100111101001…
…00101100001111
3121221001101011111
432132210230033
5444140130011
640034032451
76006402346
oct1636445417
9557041144
10242895631
111151210a0
1269418727
133b425b34
142438ab5d
15164ce121
hexe7a4b0f

242895631 has 8 divisors (see below), whose sum is σ = 265536000. Its totient is φ = 220348440.

The previous prime is 242895623. The next prime is 242895641. The reversal of 242895631 is 136598242.

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 242895631 - 23 = 242895623 is a prime.

It is a super-2 number, since 2×2428956312 = 117996575117776322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242895641) 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, 17781 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (33192000).

Almost surely, 2242895631 is an apocalyptic number.

242895631 is a deficient number, since it is larger than the sum of its proper divisors (22640369).

242895631 is a wasteful number, since it uses less digits than its factorization.

242895631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46589.

The product of its digits is 103680, while the sum is 40.

The square root of 242895631 is about 15585.1092713526. The cubic root of 242895631 is about 623.9357940937.

The spelling of 242895631 in words is "two hundred forty-two million, eight hundred ninety-five thousand, six hundred thirty-one".

Divisors: 1 11 479 5269 46099 507089 22081421 242895631