Search a number
-
+
276452740 = 22513822637
BaseRepresentation
bin10000011110100…
…101010110000100
3201021012020212101
4100132211112010
51031232441430
643233201444
76564544444
oct2036452604
9637166771
10276452740
11132061043
1278700284
1345374c05
1428a04124
151940bdca
hex107a5584

276452740 has 12 divisors (see below), whose sum is σ = 580550796. Its totient is φ = 110581088.

The previous prime is 276452707. The next prime is 276452753. The reversal of 276452740 is 47254672.

276452740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 67765824 + 208686916 = 8232^2 + 14446^2 .

It is a super-2 number, since 2×2764527402 = 152852234907015200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276452740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6911299 + ... + 6911338.

It is an arithmetic number, because the mean of its divisors is an integer number (48379233).

Almost surely, 2276452740 is an apocalyptic number.

276452740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276452740 is an abundant number, since it is smaller than the sum of its proper divisors (304098056).

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

276452740 is a wasteful number, since it uses less digits than its factorization.

276452740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822646 (or 13822644 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 276452740 is about 16626.8680153539. The cubic root of 276452740 is about 651.4388166818.

The spelling of 276452740 in words is "two hundred seventy-six million, four hundred fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 13822637 27645274 55290548 69113185 138226370 276452740