Search a number
-
+
2661474 = 233141349
BaseRepresentation
bin1010001001110001100010
312000012212010
422021301202
51140131344
6133013350
731423254
oct12116142
95005763
102661474
111558672
12a84256
1372254a
144d3cd4
153788b9
hex289c62

2661474 has 32 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 835200.

The previous prime is 2661473. The next prime is 2661481. The reversal of 2661474 is 4741662.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 221 + 67 + 67 + 1 + 45 + 74 + 45 .

It is not an unprimeable number, because it can be changed into a prime (2661473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7452 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

22661474 is an apocalyptic number.

2661474 is an abundant number, since it is smaller than the sum of its proper divisors (2983326).

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

2661474 is a wasteful number, since it uses less digits than its factorization.

2661474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 8064, while the sum is 30.

The square root of 2661474 is about 1631.4024641394. The cubic root of 2661474 is about 138.5821865335.

The spelling of 2661474 in words is "two million, six hundred sixty-one thousand, four hundred seventy-four".

Divisors: 1 2 3 6 31 41 62 82 93 123 186 246 349 698 1047 1271 2094 2542 3813 7626 10819 14309 21638 28618 32457 42927 64914 85854 443579 887158 1330737 2661474