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242613661 = 796534703
BaseRepresentation
bin11100111010111…
…11110110011101
3121220112001101011
432131133312131
5444102114121
640024015221
76004116313
oct1635376635
9556461334
10242613661
11114a49264
1269301511
133b3576a4
14243160b3
15164757e1
hexe75fd9d

242613661 has 8 divisors (see below), whose sum is σ = 246113280. Its totient is φ = 239124912.

The previous prime is 242613659. The next prime is 242613673. The reversal of 242613661 is 166316242.

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 242613661 - 21 = 242613659 is a prime.

It is a super-2 number, since 2×2426136612 = 117722777007645842, 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 (242613691) 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, 49236 + ... + 53938.

It is an arithmetic number, because the mean of its divisors is an integer number (30764160).

Almost surely, 2242613661 is an apocalyptic number.

It is an amenable number.

242613661 is a deficient number, since it is larger than the sum of its proper divisors (3499619).

242613661 is an equidigital number, since it uses as much as digits as its factorization.

242613661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435.

The product of its digits is 10368, while the sum is 31.

The square root of 242613661 is about 15576.0605096411. The cubic root of 242613661 is about 623.6942647083.

The spelling of 242613661 in words is "two hundred forty-two million, six hundred thirteen thousand, six hundred sixty-one".

Divisors: 1 79 653 4703 51587 371537 3071059 242613661