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242043042 = 23172372971
BaseRepresentation
bin11100110110101…
…00100010100010
3121212110001122010
432123110202202
5443430334132
640003453350
75666221563
oct1633244242
9555401563
10242043042
1111469957a
1269087256
133b1b7a47
142420816a
15163b16cc
hexe6d48a2

242043042 has 16 divisors (see below), whose sum is σ = 512561952. Its totient is φ = 75935040.

The previous prime is 242043041. The next prime is 242043073. The reversal of 242043042 is 240340242.

It is a super-2 number, since 2×2420430422 = 117169668361227528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242043041) 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, 1186384 + ... + 1186587.

It is an arithmetic number, because the mean of its divisors is an integer number (32035122).

Almost surely, 2242043042 is an apocalyptic number.

242043042 is an abundant number, since it is smaller than the sum of its proper divisors (270518910).

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

242043042 is a wasteful number, since it uses less digits than its factorization.

242043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372993.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 242043042 is about 15557.7325468720. The cubic root of 242043042 is about 623.2049116954.

Adding to 242043042 its reverse (240340242), we get a palindrome (482383284).

The spelling of 242043042 in words is "two hundred forty-two million, forty-three thousand, forty-two".

Divisors: 1 2 3 6 17 34 51 102 2372971 4745942 7118913 14237826 40340507 80681014 121021521 242043042