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918842242 = 21924180059
BaseRepresentation
bin110110110001000…
…110101110000010
32101000222000121011
4312301012232002
53340210422432
6231101551134
731525013233
oct6661065602
92330860534
10918842242
1143173185a
122178754aa
13118492b46
148a06308a
15559ee847
hex36c46b82

918842242 has 8 divisors (see below), whose sum is σ = 1450803600. Its totient is φ = 435241044.

The previous prime is 918842237. The next prime is 918842357. The reversal of 918842242 is 242248819.

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

It is a junction number, because it is equal to n+sod(n) for n = 918842195 and 918842204.

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, 12089992 + ... + 12090067.

It is an arithmetic number, because the mean of its divisors is an integer number (181350450).

Almost surely, 2918842242 is an apocalyptic number.

918842242 is a deficient number, since it is larger than the sum of its proper divisors (531961358).

918842242 is a wasteful number, since it uses less digits than its factorization.

918842242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180080.

The product of its digits is 73728, while the sum is 40.

The square root of 918842242 is about 30312.4106926519. The cubic root of 918842242 is about 972.1806757964.

The spelling of 918842242 in words is "nine hundred eighteen million, eight hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 19 38 24180059 48360118 459421121 918842242