Search a number
-
+
276913146 = 232315712781
BaseRepresentation
bin10000100000010…
…101101111111010
3201022001122102110
4100200111233322
51031342210041
643251113150
76601502646
oct2040255772
9638048373
10276913146
11132345a44
12788a27b6
13454a6643
1428ac3c26
151949d516
hex10815bfa

276913146 has 32 divisors (see below), whose sum is σ = 581632128. Its totient is φ = 87721920.

The previous prime is 276913129. The next prime is 276913157. The reversal of 276913146 is 641319672.

276913146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15276 + ... + 28056.

It is an arithmetic number, because the mean of its divisors is an integer number (18176004).

Almost surely, 2276913146 is an apocalyptic number.

276913146 is an abundant number, since it is smaller than the sum of its proper divisors (304718982).

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

276913146 is a wasteful number, since it uses less digits than its factorization.

276913146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12966.

The product of its digits is 54432, while the sum is 39.

The square root of 276913146 is about 16640.7074969786. The cubic root of 276913146 is about 651.8002527739.

The spelling of 276913146 in words is "two hundred seventy-six million, nine hundred thirteen thousand, one hundred forty-six".

Divisors: 1 2 3 6 23 46 69 138 157 314 471 942 3611 7222 10833 12781 21666 25562 38343 76686 293963 587926 881889 1763778 2006617 4013234 6019851 12039702 46152191 92304382 138456573 276913146