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4972811 = 19924989
BaseRepresentation
bin10010111110000100001011
3100100122102012
4102332010023
52233112221
6254330135
760160664
oct22760413
910318365
104972811
112897168
1217b994b
1310515bc
1493636b
1568365b
hex4be10b

4972811 has 4 divisors (see below), whose sum is σ = 4998000. Its totient is φ = 4947624.

The previous prime is 4972783. The next prime is 4972829. The reversal of 4972811 is 1182794.

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

It is a cyclic number.

It is not a de Polignac number, because 4972811 - 222 = 778507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4972841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12296 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (1249500).

Almost surely, 24972811 is an apocalyptic number.

4972811 is a deficient number, since it is larger than the sum of its proper divisors (25189).

4972811 is a wasteful number, since it uses less digits than its factorization.

4972811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25188.

The product of its digits is 4032, while the sum is 32.

The square root of 4972811 is about 2229.9800447538. The cubic root of 4972811 is about 170.6870809083.

The spelling of 4972811 in words is "four million, nine hundred seventy-two thousand, eight hundred eleven".

Divisors: 1 199 24989 4972811