Search a number
-
+
4902748645 = 51264177569
BaseRepresentation
bin1001001000011101…
…00000000111100101
3110122200101102210011
410210032200013211
540020100424040
62130254530221
7232331450554
oct44416400745
913580342704
104902748645
112096523693
12b49b06971
1360196b202
143471c7d9b
151da6463ea
hex1243a01e5

4902748645 has 8 divisors (see below), whose sum is σ = 5883839640. Its totient is φ = 3921838080.

The previous prime is 4902748637. The next prime is 4902748649. The reversal of 4902748645 is 5468472094.

It can be written as a sum of positive squares in 4 ways, for example, as 36012001 + 4866736644 = 6001^2 + 69762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4902748645 - 23 = 4902748637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4902748649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24421 + ... + 101989.

It is an arithmetic number, because the mean of its divisors is an integer number (735479955).

Almost surely, 24902748645 is an apocalyptic number.

It is an amenable number.

4902748645 is a deficient number, since it is larger than the sum of its proper divisors (981090995).

4902748645 is a wasteful number, since it uses less digits than its factorization.

4902748645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90215.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 4902748645 is about 70019.6304260455. The cubic root of 4902748645 is about 1698.8167827729.

The spelling of 4902748645 in words is "four billion, nine hundred two million, seven hundred forty-eight thousand, six hundred forty-five".

Divisors: 1 5 12641 63205 77569 387845 980549729 4902748645