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242020248 = 23325933889
BaseRepresentation
bin11100110110011…
…10111110011000
3121212101220100220
432123032332120
5443424121443
640003200040
75666065251
oct1633167630
9555356326
10242020248
11114683438
1269076020
133b1aa562
14241ddb28
15163a9a83
hexe6cef98

242020248 has 32 divisors (see below), whose sum is σ = 605439600. Its totient is φ = 80621568.

The previous prime is 242020231. The next prime is 242020277. The reversal of 242020248 is 842020242.

It is a Cunningham number, because it is equal to 155572-1.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60288 + ... + 64176.

Almost surely, 2242020248 is an apocalyptic number.

It is an amenable number.

242020248 is an abundant number, since it is smaller than the sum of its proper divisors (363419352).

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

242020248 is a wasteful number, since it uses less digits than its factorization.

242020248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 242020248 is about 15556.9999678601. Note that the first 4 decimals coincide. The cubic root of 242020248 is about 623.1853479867.

The spelling of 242020248 in words is "two hundred forty-two million, twenty thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 2593 3889 5186 7778 7779 10372 11667 15556 15558 20744 23334 31112 31116 46668 62232 93336 10084177 20168354 30252531 40336708 60505062 80673416 121010124 242020248