Search a number
-
+
5158145 = 51031629
BaseRepresentation
bin10011101011010100000001
3100201001122102
4103223110001
52310030040
6302320145
761562216
oct23532401
910631572
105158145
112a03433
121889055
1310b7a75
14983b0d
156bd515
hex4eb501

5158145 has 4 divisors (see below), whose sum is σ = 6189780. Its totient is φ = 4126512.

The previous prime is 5158117. The next prime is 5158189. The reversal of 5158145 is 5418515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3073009 + 2085136 = 1753^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 5158145 - 26 = 5158081 is a prime.

It is a super-3 number, since 3×51581453 (a number of 21 digits) contains 333 as substring.

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, 515810 + ... + 515819.

It is an arithmetic number, because the mean of its divisors is an integer number (1547445).

Almost surely, 25158145 is an apocalyptic number.

It is an amenable number.

5158145 is a deficient number, since it is larger than the sum of its proper divisors (1031635).

5158145 is a wasteful number, since it uses less digits than its factorization.

5158145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031634.

The product of its digits is 4000, while the sum is 29.

The square root of 5158145 is about 2271.1549925093. The cubic root of 5158145 is about 172.7817422018.

The spelling of 5158145 in words is "five million, one hundred fifty-eight thousand, one hundred forty-five".

Divisors: 1 5 1031629 5158145