Search a number
-
+
4542079 = 44310253
BaseRepresentation
bin10001010100111001111111
322112202120011
4101110321333
52130321304
6241204051
753415133
oct21247177
98482504
104542079
112622593
121630627
13c30529
148633c3
155eac04
hex454e7f

4542079 has 4 divisors (see below), whose sum is σ = 4552776. Its totient is φ = 4531384.

The previous prime is 4542061. The next prime is 4542107. The reversal of 4542079 is 9702454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9702454 = 24851227.

It is a cyclic number.

It is not a de Polignac number, because 4542079 - 221 = 2444927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542019) 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, 4684 + ... + 5569.

It is an arithmetic number, because the mean of its divisors is an integer number (1138194).

Almost surely, 24542079 is an apocalyptic number.

4542079 is a deficient number, since it is larger than the sum of its proper divisors (10697).

4542079 is a wasteful number, since it uses less digits than its factorization.

4542079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10696.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4542079 is about 2131.2153809505. The cubic root of 4542079 is about 165.6093659860.

It can be divided in two parts, 45 and 42079, that added together give a palindrome (42124).

The spelling of 4542079 in words is "four million, five hundred forty-two thousand, seventy-nine".

Divisors: 1 443 10253 4542079