Search a number
-
+
475251145 = 51271495023
BaseRepresentation
bin11100010100111…
…100000111001001
31020010021021000021
4130110330013021
51433131014040
6115054140441
714530365565
oct3424740711
91203237007
10475251145
112242a3246
121131b1721
13775cb2c5
14471926a5
152baca24a
hex1c53c1c9

475251145 has 16 divisors (see below), whose sum is σ = 578764800. Its totient is φ = 374601024.

The previous prime is 475251137. The next prime is 475251149. The reversal of 475251145 is 541152574.

It is a cyclic number.

It is not a de Polignac number, because 475251145 - 23 = 475251137 is a prime.

It is a super-2 number, since 2×4752511452 = 451727301647622050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 475251145.

It is not an unprimeable number, because it can be changed into a prime (475251149) 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, 92104 + ... + 97126.

It is an arithmetic number, because the mean of its divisors is an integer number (36172800).

Almost surely, 2475251145 is an apocalyptic number.

It is an amenable number.

475251145 is a deficient number, since it is larger than the sum of its proper divisors (103513655).

475251145 is a wasteful number, since it uses less digits than its factorization.

475251145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

The product of its digits is 28000, while the sum is 34.

The square root of 475251145 is about 21800.2556177674. The cubic root of 475251145 is about 780.3828632132.

The spelling of 475251145 in words is "four hundred seventy-five million, two hundred fifty-one thousand, one hundred forty-five".

Divisors: 1 5 127 149 635 745 5023 18923 25115 94615 637921 748427 3189605 3742135 95050229 475251145