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4684356 = 2232130121
BaseRepresentation
bin10001110111101001000100
322210222201200
4101313221010
52144344411
6244222500
754550005
oct21675104
98728650
104684356
11270a476
12169aa30
13c80211
1489d1ac
15627e56
hex477a44

4684356 has 18 divisors (see below), whose sum is σ = 11841102. Its totient is φ = 1561440.

The previous prime is 4684319. The next prime is 4684357. The reversal of 4684356 is 6534864.

It can be written as a sum of positive squares in only one way, i.e., 4536900 + 147456 = 2130^2 + 384^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×46843562 = 43886382269472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 130121 = 4684356 / (4 + 6 + 8 + 4 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 4684356.

It is not an unprimeable number, because it can be changed into a prime (4684357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65025 + ... + 65096.

It is an arithmetic number, because the mean of its divisors is an integer number (657839).

Almost surely, 24684356 is an apocalyptic number.

It is an amenable number.

4684356 is an abundant number, since it is smaller than the sum of its proper divisors (7156746).

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

4684356 is a wasteful number, since it uses less digits than its factorization.

4684356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130131 (or 130126 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4684356 is about 2164.3373119733. The cubic root of 4684356 is about 167.3208123130.

The spelling of 4684356 in words is "four million, six hundred eighty-four thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 130121 260242 390363 520484 780726 1171089 1561452 2342178 4684356