Search a number
-
+
4878401244 = 223406533437
BaseRepresentation
bin1001000101100011…
…00111111011011100
3110120222120110102120
410202301213323130
534442332314434
62124025022540
7231614504103
oct44261477334
913528513376
104878401244
112083804072
12b41924a50
135c98c5072
14343c8b03a
151d8437349
hex122c67edc

4878401244 has 12 divisors (see below), whose sum is σ = 11382936264. Its totient is φ = 1626133744.

The previous prime is 4878401201. The next prime is 4878401263. The reversal of 4878401244 is 4421048784.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4878401196 and 4878401205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203266707 + ... + 203266730.

It is an arithmetic number, because the mean of its divisors is an integer number (948578022).

Almost surely, 24878401244 is an apocalyptic number.

It is an amenable number.

4878401244 is an abundant number, since it is smaller than the sum of its proper divisors (6504535020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4878401244 is a wasteful number, since it uses less digits than its factorization.

4878401244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406533444 (or 406533442 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 42.

The square root of 4878401244 is about 69845.5527861295. The cubic root of 4878401244 is about 1695.9999661616. Note that the first 4 decimals are identical.

The spelling of 4878401244 in words is "four billion, eight hundred seventy-eight million, four hundred one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 406533437 813066874 1219600311 1626133748 2439200622 4878401244