Search a number
-
+
142415806 = 2136198849
BaseRepresentation
bin10000111110100…
…01011110111110
3100220222110202111
420133101132332
5242424301211
622044244234
73346341301
oct1037213676
9326873674
10142415806
1173432115
123b84067a
1323674b10
1414cb2b38
15c782421
hex87d17be

142415806 has 16 divisors (see below), whose sum is σ = 230454000. Its totient is φ = 65616768.

The previous prime is 142415789. The next prime is 142415807. The reversal of 142415806 is 608514241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142415807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11670 + ... + 20518.

It is an arithmetic number, because the mean of its divisors is an integer number (14403375).

Almost surely, 2142415806 is an apocalyptic number.

142415806 is a deficient number, since it is larger than the sum of its proper divisors (88038194).

142415806 is a wasteful number, since it uses less digits than its factorization.

142415806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 142415806 is about 11933.8093666691. The cubic root of 142415806 is about 522.2190744307.

Subtracting from 142415806 its product of nonzero digits (7680), we obtain a triangular number (142408126 = T16876).

The spelling of 142415806 in words is "one hundred forty-two million, four hundred fifteen thousand, eight hundred six".

Divisors: 1 2 13 26 619 1238 8047 8849 16094 17698 115037 230074 5477531 10955062 71207903 142415806