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4945824 = 2532131321
BaseRepresentation
bin10010110111011110100000
3100022021101200
4102313132200
52231231244
6254001200
760016212
oct22673640
910267350
104945824
112878964
1217a6200
131042230
1492a5b2
1567a669
hex4b77a0

4945824 has 72 divisors (see below), whose sum is σ = 15158052. Its totient is φ = 1520640.

The previous prime is 4945813. The next prime is 4945849. The reversal of 4945824 is 4285494.

4945824 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4928400 + 17424 = 2220^2 + 132^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×49458242 = 48922350077952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3084 + ... + 4404.

Almost surely, 24945824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4945824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7579026).

4945824 is an abundant number, since it is smaller than the sum of its proper divisors (10212228).

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

4945824 is a wasteful number, since it uses less digits than its factorization.

4945824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1339 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 4945824 is about 2223.9208619013. The cubic root of 4945824 is about 170.3777528319.

The spelling of 4945824 in words is "four million, nine hundred forty-five thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1321 1872 2642 3744 3963 5284 7926 10568 11889 15852 17173 21136 23778 31704 34346 42272 47556 51519 63408 68692 95112 103038 126816 137384 154557 190224 206076 274768 309114 380448 412152 549536 618228 824304 1236456 1648608 2472912 4945824