Search a number
-
+
4644188948 = 227165863891
BaseRepresentation
bin1000101001101000…
…01011001100010100
3102222122212020120002
410110310023030110
534002403021243
62044501030432
7223041645320
oct42464131424
912878766502
104644188948
111a73583993
12a973b5418
1359021c6c9
14320b20980
151c2ac0eb8
hex114d0b314

4644188948 has 12 divisors (see below), whose sum is σ = 9288377952. Its totient is φ = 1990366680.

The previous prime is 4644188947. The next prime is 4644189001. The reversal of 4644188948 is 8498814464.

4644188948 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4644188893 and 4644188902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644188947) 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 3 ways as a sum of consecutive naturals, for example, 82931918 + ... + 82931973.

It is an arithmetic number, because the mean of its divisors is an integer number (774031496).

Almost surely, 24644188948 is an apocalyptic number.

It is an amenable number.

4644188948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4644188948 is a wasteful number, since it uses less digits than its factorization.

4644188948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165863902 (or 165863900 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 56.

The square root of 4644188948 is about 68148.2864641511. The cubic root of 4644188948 is about 1668.4119566110.

The spelling of 4644188948 in words is "four billion, six hundred forty-four million, one hundred eighty-eight thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 165863891 331727782 663455564 1161047237 2322094474 4644188948