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4805845 = 511591481
BaseRepresentation
bin10010010101010011010101
3100001011101021
4102111103111
52212241340
6251001141
755564132
oct22252325
910034337
104805845
112792780
1217391b1
13cc35c5
148d1589
1564de4a
hex4954d5

4805845 has 16 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 3433600.

The previous prime is 4805831. The next prime is 4805861. The reversal of 4805845 is 5485084.

It is not a de Polignac number, because 4805845 - 211 = 4803797 is a prime.

It is a super-2 number, since 2×48058452 = 46192292328050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4805845.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2505 + ... + 3985.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 24805845 is an apocalyptic number.

It is an amenable number.

4805845 is a deficient number, since it is larger than the sum of its proper divisors (1596395).

4805845 is a wasteful number, since it uses less digits than its factorization.

4805845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 4805845 is about 2192.2237568278. The cubic root of 4805845 is about 168.7549756192.

It can be divided in two parts, 4805 and 845, that multiplied together give a square (4060225 = 20152).

The spelling of 4805845 in words is "four million, eight hundred five thousand, eight hundred forty-five".

Divisors: 1 5 11 55 59 295 649 1481 3245 7405 16291 81455 87379 436895 961169 4805845