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242231236 = 22139474919
BaseRepresentation
bin11100111000000…
…10011111000100
3121212210121210021
432130002133010
5444002344421
640011504524
76000634342
oct1634023704
9555717707
10242231236
11114807a05
1269158144
133b2525c0
1424256992
15163ec341
hexe7027c4

242231236 has 24 divisors (see below), whose sum is σ = 457087680. Its totient is φ = 111658272.

The previous prime is 242231221. The next prime is 242231243. The reversal of 242231236 is 632132242.

It is a self number, because there is not a number n which added to its sum of digits gives 242231236.

It is an unprimeable number.

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, 46785 + ... + 51703.

It is an arithmetic number, because the mean of its divisors is an integer number (19045320).

Almost surely, 2242231236 is an apocalyptic number.

242231236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

242231236 is a deficient number, since it is larger than the sum of its proper divisors (214856444).

242231236 is a wasteful number, since it uses less digits than its factorization.

242231236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883 (or 5881 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 242231236 is about 15563.7796180748. The cubic root of 242231236 is about 623.3663885420.

Adding to 242231236 its reverse (632132242), we get a palindrome (874363478).

The spelling of 242231236 in words is "two hundred forty-two million, two hundred thirty-one thousand, two hundred thirty-six".

Divisors: 1 2 4 13 26 52 947 1894 3788 4919 9838 12311 19676 24622 49244 63947 127894 255788 4658293 9316586 18633172 60557809 121115618 242231236