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242633220 = 22354043887
BaseRepresentation
bin11100111011001…
…00101000000100
3121220120001012120
432131210220010
5444103230340
640024245540
76004230324
oct1635445004
9556501176
10242633220
11114a61a25
12693108b0
133b36356b
142431d284
151647b4d0
hexe764a04

242633220 has 24 divisors (see below), whose sum is σ = 679373184. Its totient is φ = 64702176.

The previous prime is 242633213. The next prime is 242633267. The reversal of 242633220 is 22336242.

It is a happy number.

242633220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021884 + ... + 2022003.

It is an arithmetic number, because the mean of its divisors is an integer number (28307216).

Almost surely, 2242633220 is an apocalyptic number.

242633220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242633220 is an abundant number, since it is smaller than the sum of its proper divisors (436739964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242633220 is a wasteful number, since it uses less digits than its factorization.

242633220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043899 (or 4043897 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 242633220 is about 15576.6883515078. The cubic root of 242633220 is about 623.7110245619.

Adding to 242633220 its reverse (22336242), we get a palindrome (264969462).

The spelling of 242633220 in words is "two hundred forty-two million, six hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4043887 8087774 12131661 16175548 20219435 24263322 40438870 48526644 60658305 80877740 121316610 242633220