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242078250 = 2353322771
BaseRepresentation
bin11100110110111…
…01001000101010
3121212111211221010
432123131020222
5443433001000
640004324350
75666426331
oct1633351052
9555454833
10242078250
11114712a77
12690a36b6
133b1caa8b
1424216d18
15163bbd50
hexe6dd22a

242078250 has 32 divisors (see below), whose sum is σ = 604229184. Its totient is φ = 64554000.

The previous prime is 242078233. The next prime is 242078251. The reversal of 242078250 is 52870242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242078251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160636 + ... + 162135.

It is an arithmetic number, because the mean of its divisors is an integer number (18882162).

Almost surely, 2242078250 is an apocalyptic number.

242078250 is an abundant number, since it is smaller than the sum of its proper divisors (362150934).

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

242078250 is a wasteful number, since it uses less digits than its factorization.

242078250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322791 (or 322781 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 242078250 is about 15558.8640330842. The cubic root of 242078250 is about 623.2351277189.

The spelling of 242078250 in words is "two hundred forty-two million, seventy-eight thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 322771 645542 968313 1613855 1936626 3227710 4841565 8069275 9683130 16138550 24207825 40346375 48415650 80692750 121039125 242078250