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4977481 = 17292793
BaseRepresentation
bin10010111111001101001001
3100100212211011
4102333031021
52233234411
6254403521
760210415
oct22771511
910325734
104977481
11289a723
1218005a1
131053772
14937d45
15684c21
hex4bf349

4977481 has 4 divisors (see below), whose sum is σ = 5270292. Its totient is φ = 4684672.

The previous prime is 4977461. The next prime is 4977491. The reversal of 4977481 is 1847794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1428025 + 3549456 = 1195^2 + 1884^2 .

It is a cyclic number.

It is not a de Polignac number, because 4977481 - 215 = 4944713 is a prime.

It is a super-2 number, since 2×49774812 = 49550634210722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4977421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146380 + ... + 146413.

It is an arithmetic number, because the mean of its divisors is an integer number (1317573).

Almost surely, 24977481 is an apocalyptic number.

It is an amenable number.

4977481 is a deficient number, since it is larger than the sum of its proper divisors (292811).

4977481 is a wasteful number, since it uses less digits than its factorization.

4977481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292810.

The product of its digits is 56448, while the sum is 40.

The square root of 4977481 is about 2231.0268936075. The cubic root of 4977481 is about 170.7404953169.

The spelling of 4977481 in words is "four million, nine hundred seventy-seven thousand, four hundred eighty-one".

Divisors: 1 17 292793 4977481