Search a number
-
+
152210525 = 526088421
BaseRepresentation
bin10010001001010…
…00110001011101
3101121102002120212
421010220301131
5302431214100
623034222205
73525524315
oct1104506135
9347362525
10152210525
1178a12025
1242b84965
13256c40cc
1416302445
15d569635
hex9128c5d

152210525 has 6 divisors (see below), whose sum is σ = 188741082. Its totient is φ = 121768400.

The previous prime is 152210507. The next prime is 152210561. The reversal of 152210525 is 525012251.

It can be written as a sum of positive squares in 3 ways, for example, as 2343961 + 149866564 = 1531^2 + 12242^2 .

It is not a de Polignac number, because 152210525 - 28 = 152210269 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 152210525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3044186 + ... + 3044235.

It is an arithmetic number, because the mean of its divisors is an integer number (31456847).

Almost surely, 2152210525 is an apocalyptic number.

It is an amenable number.

152210525 is a deficient number, since it is larger than the sum of its proper divisors (36530557).

152210525 is an equidigital number, since it uses as much as digits as its factorization.

152210525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088431 (or 6088426 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 152210525 is about 12337.3629678307. The cubic root of 152210525 is about 533.9266043505.

Adding to 152210525 its reverse (525012251), we get a palindrome (677222776).

The spelling of 152210525 in words is "one hundred fifty-two million, two hundred ten thousand, five hundred twenty-five".

Divisors: 1 5 25 6088421 30442105 152210525