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4972237 = 6417757
BaseRepresentation
bin10010111101111011001101
3100100121121221
4102331323031
52233102422
6254323341
760156214
oct22757315
910317557
104972237
112896796
1217b9551
13105126a
1493607b
156833c7
hex4bdecd

4972237 has 4 divisors (see below), whose sum is σ = 4980636. Its totient is φ = 4963840.

The previous prime is 4972229. The next prime is 4972267. The reversal of 4972237 is 7322794.

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 4301476 + 670761 = 2074^2 + 819^2 .

It is a cyclic number.

It is not a de Polignac number, because 4972237 - 23 = 4972229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972207) 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, 3238 + ... + 4519.

It is an arithmetic number, because the mean of its divisors is an integer number (1245159).

Almost surely, 24972237 is an apocalyptic number.

It is an amenable number.

4972237 is a deficient number, since it is larger than the sum of its proper divisors (8399).

4972237 is an equidigital number, since it uses as much as digits as its factorization.

4972237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8398.

The product of its digits is 21168, while the sum is 34.

The square root of 4972237 is about 2229.8513403364. The cubic root of 4972237 is about 170.6805133181.

The spelling of 4972237 in words is "four million, nine hundred seventy-two thousand, two hundred thirty-seven".

Divisors: 1 641 7757 4972237