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152106211 = 712142341
BaseRepresentation
bin10010001000011…
…11010011100011
3101121012210111101
421010033103203
5302414344321
623032055231
73524611225
oct1104172343
9347183441
10152106211
1178950714
1242b34517
132568879a
14162b6415
15d548791
hex910f4e3

152106211 has 4 divisors (see below), whose sum is σ = 154248624. Its totient is φ = 149963800.

The previous prime is 152106197. The next prime is 152106233. The reversal of 152106211 is 112601251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152106211 - 29 = 152105699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152106011) 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 3 ways as a sum of consecutive naturals, for example, 1071100 + ... + 1071241.

It is an arithmetic number, because the mean of its divisors is an integer number (38562156).

Almost surely, 2152106211 is an apocalyptic number.

152106211 is a deficient number, since it is larger than the sum of its proper divisors (2142413).

152106211 is an equidigital number, since it uses as much as digits as its factorization.

152106211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142412.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 152106211 is about 12333.1346785803. The cubic root of 152106211 is about 533.8046050166.

Adding to 152106211 its reverse (112601251), we get a palindrome (264707462).

The spelling of 152106211 in words is "one hundred fifty-two million, one hundred six thousand, two hundred eleven".

Divisors: 1 71 2142341 152106211