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4807897 = 23209039
BaseRepresentation
bin10010010101110011011001
3100001021012021
4102111303121
52212323042
6251014441
755603123
oct22256331
910037167
104807897
112794276
12173a421
13cc4513
148d2213
1564e867
hex495cd9

4807897 has 4 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 4598836.

The previous prime is 4807877. The next prime is 4807909. The reversal of 4807897 is 7987084.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4807897 is a prime.

It is a super-3 number, since 3×48078973 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4807807) 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, 104497 + ... + 104542.

It is an arithmetic number, because the mean of its divisors is an integer number (1254240).

Almost surely, 24807897 is an apocalyptic number.

It is an amenable number.

4807897 is a deficient number, since it is larger than the sum of its proper divisors (209063).

4807897 is a wasteful number, since it uses less digits than its factorization.

4807897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209062.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 4807897 is about 2192.6917247985. The cubic root of 4807897 is about 168.7789905382.

The spelling of 4807897 in words is "four million, eight hundred seven thousand, eight hundred ninety-seven".

Divisors: 1 23 209039 4807897