Search a number
-
+
15092142 = 23131811069
BaseRepresentation
bin111001100100…
…100110101110
31001101202112020
4321210212232
512330422032
61255251010
7242165262
oct71444656
931352466
1015092142
118578a4a
125079a66
133185580
14200c0a2
1514d1b2c
hexe649ae

15092142 has 32 divisors (see below), whose sum is σ = 32716320. Its totient is φ = 4613760.

The previous prime is 15092113. The next prime is 15092149. The reversal of 15092142 is 24129051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15092149) 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 15 ways as a sum of consecutive naturals, for example, 13584 + ... + 14652.

It is an arithmetic number, because the mean of its divisors is an integer number (1022385).

Almost surely, 215092142 is an apocalyptic number.

15092142 is an abundant number, since it is smaller than the sum of its proper divisors (17624178).

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

15092142 is a wasteful number, since it uses less digits than its factorization.

15092142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 15092142 is about 3884.8606152602. The cubic root of 15092142 is about 247.1251585314.

The spelling of 15092142 in words is "fifteen million, ninety-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 181 362 543 1069 1086 2138 2353 3207 4706 6414 7059 13897 14118 27794 41691 83382 193489 386978 580467 1160934 2515357 5030714 7546071 15092142