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242634791 = 7163212651
BaseRepresentation
bin11100111011001…
…01000000100111
3121220120010100202
432131211000213
5444103303131
640024301115
76004235030
oct1635450047
9556503322
10242634791
11114a63123
126931179b
133b3641a9
142431da87
151647bbcb
hexe765027

242634791 has 8 divisors (see below), whose sum is σ = 278999424. Its totient is φ = 206695800.

The previous prime is 242634787. The next prime is 242634811. The reversal of 242634791 is 197436242.

242634791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242634791 - 22 = 242634787 is a prime.

It is a super-2 number, since 2×2426347912 = 117743283607227362, 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 (242634781) 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, 105185 + ... + 107466.

It is an arithmetic number, because the mean of its divisors is an integer number (34874928).

Almost surely, 2242634791 is an apocalyptic number.

242634791 is a deficient number, since it is larger than the sum of its proper divisors (36364633).

242634791 is a wasteful number, since it uses less digits than its factorization.

242634791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212821.

The product of its digits is 72576, while the sum is 38.

The square root of 242634791 is about 15576.7387793466. The cubic root of 242634791 is about 623.7123706923.

The spelling of 242634791 in words is "two hundred forty-two million, six hundred thirty-four thousand, seven hundred ninety-one".

Divisors: 1 7 163 1141 212651 1488557 34662113 242634791