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15100242 = 232986783
BaseRepresentation
bin111001100110…
…100101010010
31001102011122020
4321212211102
512331201432
61255352310
7242231013
oct71464522
931364566
1015100242
118584043
125082696
133189171
14201100a
1514d422c
hexe66952

15100242 has 16 divisors (see below), whose sum is σ = 31242240. Its totient is φ = 4859792.

The previous prime is 15100229. The next prime is 15100249. The reversal of 15100242 is 24200151.

15100242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15100249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43218 + ... + 43565.

It is an arithmetic number, because the mean of its divisors is an integer number (1952640).

Almost surely, 215100242 is an apocalyptic number.

15100242 is an abundant number, since it is smaller than the sum of its proper divisors (16141998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15100242 is a wasteful number, since it uses less digits than its factorization.

15100242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86817.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 15100242 is about 3885.9029838636. The cubic root of 15100242 is about 247.1693615739.

Adding to 15100242 its reverse (24200151), we get a palindrome (39300393).

Subtracting 15100242 from its reverse (24200151), we obtain a palindrome (9099909).

The spelling of 15100242 in words is "fifteen million, one hundred thousand, two hundred forty-two".

Divisors: 1 2 3 6 29 58 87 174 86783 173566 260349 520698 2516707 5033414 7550121 15100242