Search a number
-
+
6274281 = 313160879
BaseRepresentation
bin10111111011110011101001
3102210202200210
4113323303221
53101234111
6342251333
7104221236
oct27736351
912722623
106274281
1135a5a62
122126b49
1313b8ac0
14b9478d
1583e0a6
hex5fbce9

6274281 has 8 divisors (see below), whose sum is σ = 9009280. Its totient is φ = 3861072.

The previous prime is 6274267. The next prime is 6274283. The reversal of 6274281 is 1824726.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6274281 - 25 = 6274249 is a prime.

It is a super-2 number, since 2×62742812 = 78733204133922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6274283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80401 + ... + 80478.

It is an arithmetic number, because the mean of its divisors is an integer number (1126160).

Almost surely, 26274281 is an apocalyptic number.

It is an amenable number.

6274281 is a deficient number, since it is larger than the sum of its proper divisors (2734999).

6274281 is a wasteful number, since it uses less digits than its factorization.

6274281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160895.

The product of its digits is 5376, while the sum is 30.

The square root of 6274281 is about 2504.8514926039. The cubic root of 6274281 is about 184.4398052762.

It can be divided in two parts, 6274 and 281, that added together give a triangular number (6555 = T114).

The spelling of 6274281 in words is "six million, two hundred seventy-four thousand, two hundred eighty-one".

Divisors: 1 3 13 39 160879 482637 2091427 6274281