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242520818 = 2190763587
BaseRepresentation
bin11100111010010…
…01001011110010
3121220100100000112
432131021023302
5444041131233
640022021322
76003251531
oct1635111362
9556310015
10242520818
11114995531
1269277842
133b324357
14242d0318
1516458048
hexe7492f2

242520818 has 8 divisors (see below), whose sum is σ = 363977712. Its totient is φ = 121194916.

The previous prime is 242520791. The next prime is 242520821. The reversal of 242520818 is 818025242.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27980 + ... + 35607.

It is an arithmetic number, because the mean of its divisors is an integer number (45497214).

Almost surely, 2242520818 is an apocalyptic number.

242520818 is a deficient number, since it is larger than the sum of its proper divisors (121456894).

242520818 is a wasteful number, since it uses less digits than its factorization.

242520818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65496.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 242520818 is about 15573.0799137486. The cubic root of 242520818 is about 623.6146964565.

The spelling of 242520818 in words is "two hundred forty-two million, five hundred twenty thousand, eight hundred eighteen".

Divisors: 1 2 1907 3814 63587 127174 121260409 242520818