Search a number
-
+
5142157 = 22323059
BaseRepresentation
bin10011100111011010001101
3100200020201021
4103213122031
52304022112
6302114141
761464466
oct23473215
910606637
105142157
1129a2419
12187b951
1310b06c7
1497bd6d
156b8907
hex4e768d

5142157 has 4 divisors (see below), whose sum is σ = 5165440. Its totient is φ = 5118876.

The previous prime is 5142131. The next prime is 5142173. The reversal of 5142157 is 7512415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5142157 - 219 = 4617869 is a prime.

It is a super-3 number, since 3×51421573 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11307 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (1291360).

Almost surely, 25142157 is an apocalyptic number.

It is an amenable number.

5142157 is a deficient number, since it is larger than the sum of its proper divisors (23283).

5142157 is a wasteful number, since it uses less digits than its factorization.

5142157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23282.

The product of its digits is 1400, while the sum is 25.

The square root of 5142157 is about 2267.6324658110. The cubic root of 5142157 is about 172.6030414264.

The spelling of 5142157 in words is "five million, one hundred forty-two thousand, one hundred fifty-seven".

Divisors: 1 223 23059 5142157