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242709982 = 2610119891
BaseRepresentation
bin11100111011101…
…11010111011110
3121220200221111121
432131313113132
5444113204412
640030041154
76005000164
oct1635672736
9556627447
10242709982
11115004669
12693491ba
133b38c498
142433d234
1516494107
hexe7775de

242709982 has 8 divisors (see below), whose sum is σ = 364142952. Its totient is φ = 121329000.

The previous prime is 242709977. The next prime is 242709983. The reversal of 242709982 is 289907242.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242709983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257 + ... + 22147.

It is an arithmetic number, because the mean of its divisors is an integer number (45517869).

Almost surely, 2242709982 is an apocalyptic number.

242709982 is a deficient number, since it is larger than the sum of its proper divisors (121432970).

242709982 is a wasteful number, since it uses less digits than its factorization.

242709982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25994.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 242709982 is about 15579.1521592159. The cubic root of 242709982 is about 623.7767922221.

The spelling of 242709982 in words is "two hundred forty-two million, seven hundred nine thousand, nine hundred eighty-two".

Divisors: 1 2 6101 12202 19891 39782 121354991 242709982