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152424205 = 530484841
BaseRepresentation
bin10010001010111…
…00111100001101
3101121210221200221
421011130330031
5303010033310
623042551341
73530404303
oct1105347415
9347727627
10152424205
117904861a
1243068551
132576a44b
141635a273
15d5acada
hex915cf0d

152424205 has 4 divisors (see below), whose sum is σ = 182909052. Its totient is φ = 121939360.

The previous prime is 152424191. The next prime is 152424229. The reversal of 152424205 is 502424251.

152424205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502424251 = 771774893.

It can be written as a sum of positive squares in 2 ways, for example, as 65076489 + 87347716 = 8067^2 + 9346^2 .

It is not a de Polignac number, because 152424205 - 211 = 152422157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152424205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15242416 + ... + 15242425.

It is an arithmetic number, because the mean of its divisors is an integer number (45727263).

Almost surely, 2152424205 is an apocalyptic number.

It is an amenable number.

152424205 is a deficient number, since it is larger than the sum of its proper divisors (30484847).

152424205 is an equidigital number, since it uses as much as digits as its factorization.

152424205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30484846.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 152424205 is about 12346.0198039692. The cubic root of 152424205 is about 534.1763376075.

Adding to 152424205 its reverse (502424251), we get a palindrome (654848456).

The spelling of 152424205 in words is "one hundred fifty-two million, four hundred twenty-four thousand, two hundred five".

Divisors: 1 5 30484841 152424205