Search a number
-
+
152542133 = 380340111
BaseRepresentation
bin10010001011110…
…01101110110101
3101122000221110122
421011321232311
5303022322013
623045301325
73531405152
oct1105715665
9348027418
10152542133
1179119187
1243104845
13257ac023
141638b229
15d5d2a08
hex9179bb5

152542133 has 4 divisors (see below), whose sum is σ = 152586048. Its totient is φ = 152498220.

The previous prime is 152542123. The next prime is 152542153. The reversal of 152542133 is 331245251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331245251 = 1991664549.

It is a cyclic number.

It is not a de Polignac number, because 152542133 - 26 = 152542069 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 (152542123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16253 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (38146512).

Almost surely, 2152542133 is an apocalyptic number.

It is an amenable number.

152542133 is a deficient number, since it is larger than the sum of its proper divisors (43915).

152542133 is an equidigital number, since it uses as much as digits as its factorization.

152542133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43914.

The product of its digits is 3600, while the sum is 26.

The square root of 152542133 is about 12350.7948327223. The cubic root of 152542133 is about 534.3140631265.

Adding to 152542133 its reverse (331245251), we get a palindrome (483787384).

The spelling of 152542133 in words is "one hundred fifty-two million, five hundred forty-two thousand, one hundred thirty-three".

Divisors: 1 3803 40111 152542133