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242098388 = 22720894139
BaseRepresentation
bin11100110111000…
…10000011010100
3121212112212112222
432123202003110
5443434122023
640005001512
75666542130
oct1633420324
9555485488
10242098388
11114727114
12690b3298
133b206cac
14242203c0
15163c2cc8
hexe6e20d4

242098388 has 24 divisors (see below), whose sum is σ = 484545600. Its totient is φ = 103681728.

The previous prime is 242098387. The next prime is 242098393. The reversal of 242098388 is 883890242.

It is a super-2 number, since 2×2420983882 = 117223258944397088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242098387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56423 + ... + 60561.

It is an arithmetic number, because the mean of its divisors is an integer number (20189400).

Almost surely, 2242098388 is an apocalyptic number.

242098388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

242098388 is an abundant number, since it is smaller than the sum of its proper divisors (242447212).

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

242098388 is a wasteful number, since it uses less digits than its factorization.

242098388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 242098388 is about 15559.5111748409. The cubic root of 242098388 is about 623.2524091296.

The spelling of 242098388 in words is "two hundred forty-two million, ninety-eight thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 2089 4139 4178 8278 8356 14623 16556 28973 29246 57946 58492 115892 8646371 17292742 34585484 60524597 121049194 242098388