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4720983 = 37321557
BaseRepresentation
bin10010000000100101010111
322212211222020
4102000211113
52202032413
6245104223
755061541
oct22004527
98784866
104720983
112734a43
1216b8073
13c93aa7
148ac691
15633c23
hex480957

4720983 has 8 divisors (see below), whose sum is σ = 6381168. Its totient is φ = 3104064.

The previous prime is 4720981. The next prime is 4721011. The reversal of 4720983 is 3890274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4720983 - 21 = 4720981 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10560 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (797646).

Almost surely, 24720983 is an apocalyptic number.

4720983 is a deficient number, since it is larger than the sum of its proper divisors (1660185).

4720983 is a wasteful number, since it uses less digits than its factorization.

4720983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21633.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4720983 is about 2172.7823176747. The cubic root of 4720983 is about 167.7557746714.

The spelling of 4720983 in words is "four million, seven hundred twenty thousand, nine hundred eighty-three".

Divisors: 1 3 73 219 21557 64671 1573661 4720983