Search a number
-
+
152242123 = 1117814129
BaseRepresentation
bin10010001001100…
…00011111001011
3101121110200221011
421010300133023
5302433221443
623035024351
73526015405
oct1104603713
9347420834
10152242123
1178a33840
1242b9b0b7
13257055c7
141630db75
15d573b9d
hex91307cb

152242123 has 8 divisors (see below), whose sum is σ = 175852080. Its totient is φ = 130260480.

The previous prime is 152242121. The next prime is 152242133. The reversal of 152242123 is 321242251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152242123 - 21 = 152242121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152242094 and 152242103.

It is not an unprimeable number, because it can be changed into a prime (152242121) 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 7 ways as a sum of consecutive naturals, for example, 406878 + ... + 407251.

It is an arithmetic number, because the mean of its divisors is an integer number (21981510).

Almost surely, 2152242123 is an apocalyptic number.

152242123 is a deficient number, since it is larger than the sum of its proper divisors (23609957).

152242123 is a wasteful number, since it uses less digits than its factorization.

152242123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814157.

The product of its digits is 960, while the sum is 22.

The square root of 152242123 is about 12338.6434829766. The cubic root of 152242123 is about 533.9635484570.

Adding to 152242123 its reverse (321242251), we get a palindrome (473484374).

The spelling of 152242123 in words is "one hundred fifty-two million, two hundred forty-two thousand, one hundred twenty-three".

Divisors: 1 11 17 187 814129 8955419 13840193 152242123