Search a number
-
+
15142153 = 135321977
BaseRepresentation
bin111001110000…
…110100001001
31001111022010111
4321300310021
512334022103
61300314321
7242464135
oct71606411
931438114
1015142153
118602584
1250a29a1
1331a2270
1420223c5
1514e186d
hexe70d09

15142153 has 8 divisors (see below), whose sum is σ = 16615368. Its totient is φ = 13713024.

The previous prime is 15142151. The next prime is 15142157. The reversal of 15142153 is 35124151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1281424 + 13860729 = 1132^2 + 3723^2 .

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

It is not a de Polignac number, because 15142153 - 21 = 15142151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15142151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10300 + ... + 11677.

It is an arithmetic number, because the mean of its divisors is an integer number (2076921).

Almost surely, 215142153 is an apocalyptic number.

15142153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15142153 is a deficient number, since it is larger than the sum of its proper divisors (1473215).

15142153 is a wasteful number, since it uses less digits than its factorization.

15142153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22043.

The product of its digits is 600, while the sum is 22.

The square root of 15142153 is about 3891.2919448430. The cubic root of 15142153 is about 247.3978247092.

The spelling of 15142153 in words is "fifteen million, one hundred forty-two thousand, one hundred fifty-three".

Divisors: 1 13 53 689 21977 285701 1164781 15142153