Search a number
-
+
4772542 = 22386271
BaseRepresentation
bin10010001101001010111110
322222110200211
4102031022332
52210210132
6250143034
755365055
oct22151276
98873624
104772542
11276a755
121721a7a
13cb13b8
148c339c
15644147
hex48d2be

4772542 has 4 divisors (see below), whose sum is σ = 7158816. Its totient is φ = 2386270.

The previous prime is 4772531. The next prime is 4772557. The reversal of 4772542 is 2452774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2452774 = 21226387.

It is a Smith number, since the sum of its digits (31) 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193134 + ... + 1193137.

It is an arithmetic number, because the mean of its divisors is an integer number (1789704).

Almost surely, 24772542 is an apocalyptic number.

4772542 is a deficient number, since it is larger than the sum of its proper divisors (2386274).

4772542 is a wasteful number, since it uses less digits than its factorization.

4772542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386273.

The product of its digits is 15680, while the sum is 31.

The square root of 4772542 is about 2184.6148401949. The cubic root of 4772542 is about 168.3642653567.

The spelling of 4772542 in words is "four million, seven hundred seventy-two thousand, five hundred forty-two".

Divisors: 1 2 2386271 4772542