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152246533 = 622124473
BaseRepresentation
bin10010001001100…
…01100100000101
3101121110220222111
421010301210011
5302433342113
623035101021
73526034305
oct1104614405
9347426874
10152246533
1178a3708a
1242ba1771
132570760a
1416311605
15d57513d
hex9131905

152246533 has 4 divisors (see below), whose sum is σ = 152277228. Its totient is φ = 152215840.

The previous prime is 152246503. The next prime is 152246539. The reversal of 152246533 is 335642251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335642251 = 747948893.

It can be written as a sum of positive squares in 2 ways, for example, as 55086084 + 97160449 = 7422^2 + 9857^2 .

It is a cyclic number.

It is not a de Polignac number, because 152246533 - 213 = 152238341 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152246495 and 152246504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152246539) 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, 6016 + ... + 18457.

It is an arithmetic number, because the mean of its divisors is an integer number (38069307).

Almost surely, 2152246533 is an apocalyptic number.

It is an amenable number.

152246533 is a deficient number, since it is larger than the sum of its proper divisors (30695).

152246533 is an equidigital number, since it uses as much as digits as its factorization.

152246533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30694.

The product of its digits is 21600, while the sum is 31.

The square root of 152246533 is about 12338.8221885235. The cubic root of 152246533 is about 533.9687041841.

Adding to 152246533 its reverse (335642251), we get a palindrome (487888784).

The spelling of 152246533 in words is "one hundred fifty-two million, two hundred forty-six thousand, five hundred thirty-three".

Divisors: 1 6221 24473 152246533