Search a number
-
+
142151082 = 2323691847
BaseRepresentation
bin10000111100100…
…00110110101010
3100220111000121220
420132100312222
5242342313312
622034442510
73344156433
oct1036206652
9326430556
10142151082
1173271237
123b733436
13235b1488
1414c4448a
15c72dc8c
hex8790daa

142151082 has 8 divisors (see below), whose sum is σ = 284302176. Its totient is φ = 47383692.

The previous prime is 142151057. The next prime is 142151083. The reversal of 142151082 is 280151241.

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

142151082 is an admirable number.

It is a super-2 number, since 2×1421510822 = 40413860227541448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142151083) 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, 11845918 + ... + 11845929.

It is an arithmetic number, because the mean of its divisors is an integer number (35537772).

Almost surely, 2142151082 is an apocalyptic number.

142151082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142151082 is a wasteful number, since it uses less digits than its factorization.

142151082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23691852.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 142151082 is about 11922.7128624319. The cubic root of 142151082 is about 521.8953049673.

The spelling of 142151082 in words is "one hundred forty-two million, one hundred fifty-one thousand, eighty-two".

Divisors: 1 2 3 6 23691847 47383694 71075541 142151082