Search a number
-
+
4972777 = 5479091
BaseRepresentation
bin10010111110000011101001
3100100122100221
4102332003221
52233112102
6254330041
760160615
oct22760351
910318327
104972777
112897137
1217b9921
131051594
14936345
15683637
hex4be0e9

4972777 has 4 divisors (see below), whose sum is σ = 4982416. Its totient is φ = 4963140.

The previous prime is 4972771. The next prime is 4972783. The reversal of 4972777 is 7772794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7772794 = 23886397.

It is an interprime number because it is at equal distance from previous prime (4972771) and next prime (4972783).

It is a cyclic number.

It is not a de Polignac number, because 4972777 - 211 = 4970729 is a prime.

It is a super-2 number, since 2×49727772 = 49457022183458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4972771) 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, 3999 + ... + 5092.

It is an arithmetic number, because the mean of its divisors is an integer number (1245604).

Almost surely, 24972777 is an apocalyptic number.

It is an amenable number.

4972777 is a deficient number, since it is larger than the sum of its proper divisors (9639).

4972777 is an equidigital number, since it uses as much as digits as its factorization.

4972777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638.

The product of its digits is 172872, while the sum is 43.

The square root of 4972777 is about 2229.9724213541. The cubic root of 4972777 is about 170.6866919014.

The spelling of 4972777 in words is "four million, nine hundred seventy-two thousand, seven hundred seventy-seven".

Divisors: 1 547 9091 4972777