Search a number
-
+
4755442 = 22377721
BaseRepresentation
bin10010001000111111110010
322221121020111
4102020333302
52204133232
6245531534
755264156
oct22107762
98847214
104755442
11275891a
121713baa
13ca6693
148bb066
1563e047
hex488ff2

4755442 has 4 divisors (see below), whose sum is σ = 7133166. Its totient is φ = 2377720.

The previous prime is 4755437. The next prime is 4755451. The reversal of 4755442 is 2445574.

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

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 383161 = 2091^2 + 619^2 .

It is a super-2 number, since 2×47554422 = 45228457230728, which contains 22 as substring.

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 an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1188859 + ... + 1188862.

Almost surely, 24755442 is an apocalyptic number.

4755442 is a deficient number, since it is larger than the sum of its proper divisors (2377724).

4755442 is a wasteful number, since it uses less digits than its factorization.

4755442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377723.

The product of its digits is 22400, while the sum is 31.

The square root of 4755442 is about 2180.6975948077. The cubic root of 4755442 is about 168.1629418751.

The spelling of 4755442 in words is "four million, seven hundred fifty-five thousand, four hundred forty-two".

Divisors: 1 2 2377721 4755442