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152101 = 891709
BaseRepresentation
bin100101001000100101
321201122101
4211020211
514331401
63132101
71202305
oct451045
9251571
10152101
11a4304
1274031
1354301
143d605
1530101
hex25225

152101 has 4 divisors (see below), whose sum is σ = 153900. Its totient is φ = 150304.

The previous prime is 152093. The next prime is 152111. The reversal of 152101 is 101251.

It is a happy number.

It is a Cunningham number, because it is equal to 3902+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28900 + 123201 = 170^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 152101 - 23 = 152093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (38475).

2152101 is an apocalyptic number.

It is an amenable number.

152101 is a deficient number, since it is larger than the sum of its proper divisors (1799).

152101 is an equidigital number, since it uses as much as digits as its factorization.

152101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 152101 is about 390.0012820492. The cubic root of 152101 is about 53.3798509084.

Adding to 152101 its reverse (101251), we get a palindrome (253352).

It can be divided in two parts, 152 and 101, that added together give a triangular number (253 = T22).

The spelling of 152101 in words is "one hundred fifty-two thousand, one hundred one".

Divisors: 1 89 1709 152101