Search a number
-
+
4677661 = 13213541
BaseRepresentation
bin10001110110000000011101
322210122112201
4101312000131
52144141121
6244131501
754521332
oct21660035
98718481
104677661
11270543a
121696b91
13c7a161
1489a989
15625e91
hex47601d

4677661 has 4 divisors (see below), whose sum is σ = 4682524. Its totient is φ = 4672800.

The previous prime is 4677653. The next prime is 4677677. The reversal of 4677661 is 1667764.

4677661 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3308761 + 1368900 = 1819^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 4677661 - 23 = 4677653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4677661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4677691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (1170631).

Almost surely, 24677661 is an apocalyptic number.

It is an amenable number.

4677661 is a deficient number, since it is larger than the sum of its proper divisors (4863).

4677661 is a wasteful number, since it uses less digits than its factorization.

4677661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862.

The product of its digits is 42336, while the sum is 37.

The square root of 4677661 is about 2162.7900961490. The cubic root of 4677661 is about 167.2410612621.

It can be divided in two parts, 467 and 7661, that added together give a triangular number (8128 = T127).

The spelling of 4677661 in words is "four million, six hundred seventy-seven thousand, six hundred sixty-one".

Divisors: 1 1321 3541 4677661