Search a number
-
+
152115055 = 5172317657
BaseRepresentation
bin10010001000100…
…01011101101111
3101121020020121221
421010101131233
5302420140210
623032204211
73524646061
oct1104213557
9347206557
10152115055
1178957324
1242b39667
132568c811
14162b9731
15d54b1da
hex911176f

152115055 has 8 divisors (see below), whose sum is σ = 182654352. Its totient is φ = 121614528.

The previous prime is 152115049. The next prime is 152115071. The reversal of 152115055 is 550511251.

152115055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-152115055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (22831794).

Almost surely, 2152115055 is an apocalyptic number.

152115055 is a deficient number, since it is larger than the sum of its proper divisors (30539297).

152115055 is a wasteful number, since it uses less digits than its factorization.

152115055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19385.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 152115055 is about 12333.4932196844. The cubic root of 152115055 is about 533.8149505868.

The spelling of 152115055 in words is "one hundred fifty-two million, one hundred fifteen thousand, fifty-five".

Divisors: 1 5 1723 8615 17657 88285 30423011 152115055