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242212125 = 353709911
BaseRepresentation
bin11100110111111…
…01110100011101
3121212202122120110
432123331310131
5444001242000
640011240233
76000524541
oct1633756435
9555678513
10242212125
111147a4611
1269149079
133b2469ac
142424da21
15163e6850
hexe6fdd1d

242212125 has 32 divisors (see below), whose sum is σ = 404052480. Its totient is φ = 128856000.

The previous prime is 242212109. The next prime is 242212127. The reversal of 242212125 is 521212242.

It is not a de Polignac number, because 242212125 - 24 = 242212109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265420 + ... + 266330.

It is an arithmetic number, because the mean of its divisors is an integer number (12626640).

Almost surely, 2242212125 is an apocalyptic number.

242212125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242212125 is a deficient number, since it is larger than the sum of its proper divisors (161840355).

242212125 is an equidigital number, since it uses as much as digits as its factorization.

242212125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1628 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 242212125 is about 15563.1656484148. The cubic root of 242212125 is about 623.3499944708.

Adding to 242212125 its reverse (521212242), we get a palindrome (763424367).

The spelling of 242212125 in words is "two hundred forty-two million, two hundred twelve thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 709 911 2127 2733 3545 4555 10635 13665 17725 22775 53175 68325 88625 113875 265875 341625 645899 1937697 3229495 9688485 16147475 48442425 80737375 242212125