Search a number
-
+
142916486 = 271458243
BaseRepresentation
bin10001000010010…
…11101110000110
3100221220220120012
420201023232012
5243041311421
622103110222
73353525066
oct1041135606
9327826505
10142916486
11737442a9
123ba42372
13237bb98b
1414da33a6
15c83095b
hex884bb86

142916486 has 4 divisors (see below), whose sum is σ = 214374732. Its totient is φ = 71458242.

The previous prime is 142916453. The next prime is 142916491. The reversal of 142916486 is 684619241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684619241 = 1201570041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35729120 + ... + 35729123.

It is an arithmetic number, because the mean of its divisors is an integer number (53593683).

Almost surely, 2142916486 is an apocalyptic number.

142916486 is a deficient number, since it is larger than the sum of its proper divisors (71458246).

142916486 is an equidigital number, since it uses as much as digits as its factorization.

142916486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71458245.

The product of its digits is 82944, while the sum is 41.

The square root of 142916486 is about 11954.7683373623. The cubic root of 142916486 is about 522.8303334546.

The spelling of 142916486 in words is "one hundred forty-two million, nine hundred sixteen thousand, four hundred eighty-six".

Divisors: 1 2 71458243 142916486