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242511214 = 21156919373
BaseRepresentation
bin11100111010001…
…10110101101110
3121220022211211211
432131012311232
5444040324324
640021505034
76003211531
oct1635066556
9556284754
10242511214
111149892a0
126927217a
133b31cb7a
14242caa18
1516455294
hexe746d6e

242511214 has 16 divisors (see below), whose sum is σ = 397554480. Its totient is φ = 110032960.

The previous prime is 242511197. The next prime is 242511223. The reversal of 242511214 is 412115242.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2832 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (24847155).

Almost surely, 2242511214 is an apocalyptic number.

242511214 is a deficient number, since it is larger than the sum of its proper divisors (155043266).

242511214 is a wasteful number, since it uses less digits than its factorization.

242511214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19955.

The product of its digits is 640, while the sum is 22.

The square root of 242511214 is about 15572.7715580753. The cubic root of 242511214 is about 623.6064644833.

Adding to 242511214 its reverse (412115242), we get a palindrome (654626456).

The spelling of 242511214 in words is "two hundred forty-two million, five hundred eleven thousand, two hundred fourteen".

Divisors: 1 2 11 22 569 1138 6259 12518 19373 38746 213103 426206 11023237 22046474 121255607 242511214