Search a number
-
+
252151189 = 3741359463
BaseRepresentation
bin11110000011110…
…00010110010101
3122120110121101221
433001320112111
51004022314224
641004250341
76151151443
oct1701702625
9576417357
10252151189
1111a372a14
12705409b1
13403168b4
14256b9b93
151720b6e4
hexf078595

252151189 has 16 divisors (see below), whose sum is σ = 266595840. Its totient is φ = 238170240.

The previous prime is 252151177. The next prime is 252151199. The reversal of 252151189 is 981151252.

252151189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 252151189 - 211 = 252149141 is a prime.

It is a super-2 number, since 2×2521511892 = 127160444228227442, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (7200) is a multiple of the sum of its prime divisors (900).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252151199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544372 + ... + 544834.

It is an arithmetic number, because the mean of its divisors is an integer number (16662240).

Almost surely, 2252151189 is an apocalyptic number.

It is an amenable number.

252151189 is a deficient number, since it is larger than the sum of its proper divisors (14444651).

252151189 is a wasteful number, since it uses less digits than its factorization.

252151189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its digits is 7200, while the sum is 34.

The square root of 252151189 is about 15879.2691582453. The cubic root of 252151189 is about 631.7622525138.

The spelling of 252151189 in words is "two hundred fifty-two million, one hundred fifty-one thousand, one hundred eighty-nine".

Divisors: 1 37 41 359 463 1517 13283 14719 17131 18983 166217 544603 702371 6150029 6814897 252151189