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242397763 = 1971179687
BaseRepresentation
bin11100111001010…
…11001001000011
3121220010002012221
432130223021003
5444023212023
640015231511
76002230006
oct1634531103
9556102187
10242397763
11114911033
1269218597
133b2b033a
142429b53d
151643185d
hexe72b243

242397763 has 8 divisors (see below), whose sum is σ = 258750720. Its totient is φ = 226404360.

The previous prime is 242397761. The next prime is 242397803. The reversal of 242397763 is 367793242.

242397763 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 242397763 - 21 = 242397761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242397761) 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, 88495 + ... + 91192.

It is an arithmetic number, because the mean of its divisors is an integer number (32343840).

Almost surely, 2242397763 is an apocalyptic number.

242397763 is a deficient number, since it is larger than the sum of its proper divisors (16352957).

242397763 is a wasteful number, since it uses less digits than its factorization.

242397763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179777.

The product of its digits is 381024, while the sum is 43.

The square root of 242397763 is about 15569.1285241018. The cubic root of 242397763 is about 623.5092046340.

The spelling of 242397763 in words is "two hundred forty-two million, three hundred ninety-seven thousand, seven hundred sixty-three".

Divisors: 1 19 71 1349 179687 3414053 12757777 242397763