Search a number
-
+
142514246 = 2724730941
BaseRepresentation
bin10000111111010…
…01100001000110
3100221011110210102
420133221201012
5242440423441
622050324102
73350231300
oct1037514106
9327143712
10142514246
117349a076
123b889632
13236aa874
1414cda970
15c7a169b
hex87e9846

142514246 has 24 divisors (see below), whose sum is σ = 253971936. Its totient is φ = 59776080.

The previous prime is 142514173. The next prime is 142514261. The reversal of 142514246 is 642415241.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 10865 + ... + 20076.

It is an arithmetic number, because the mean of its divisors is an integer number (10582164).

Almost surely, 2142514246 is an apocalyptic number.

142514246 is a deficient number, since it is larger than the sum of its proper divisors (111457690).

142514246 is a wasteful number, since it uses less digits than its factorization.

142514246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31004 (or 30997 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 142514246 is about 11937.9330706785. The cubic root of 142514246 is about 522.3393686761.

Adding to 142514246 its reverse (642415241), we get a palindrome (784929487).

The spelling of 142514246 in words is "one hundred forty-two million, five hundred fourteen thousand, two hundred forty-six".

Divisors: 1 2 7 14 47 49 94 98 329 658 2303 4606 30941 61882 216587 433174 1454227 1516109 2908454 3032218 10179589 20359178 71257123 142514246