Search a number
-
+
142033130 = 2517835489
BaseRepresentation
bin10000111011101…
…00000011101010
3100220021000211022
420131310003222
5242330030010
622032132442
73343155521
oct1035640352
9326230738
10142033130
11731a0658
123b697122
132356c895
1414c134b8
15c708d55
hex87740ea

142033130 has 16 divisors (see below), whose sum is σ = 270698760. Its totient is φ = 53471232.

The previous prime is 142033127. The next prime is 142033141. The reversal of 142033130 is 31330241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 141824281 + 208849 = 11909^2 + 457^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 142033099 and 142033108.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 417575 + ... + 417914.

Almost surely, 2142033130 is an apocalyptic number.

142033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142033130 is a deficient number, since it is larger than the sum of its proper divisors (128665630).

142033130 is a wasteful number, since it uses less digits than its factorization.

142033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835513.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 142033130 is about 11917.7653106612. The cubic root of 142033130 is about 521.7509148616.

Adding to 142033130 its reverse (31330241), we get a palindrome (173363371).

The spelling of 142033130 in words is "one hundred forty-two million, thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 835489 1670978 4177445 8354890 14203313 28406626 71016565 142033130