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4490856 = 2333171223
BaseRepresentation
bin10001001000011001101000
322110011022000
4101020121220
52122201411
6240131000
753112606
oct21103150
98404260
104490856
112598057
121606a60
13c13116
1484c876
155da956
hex448668

4490856 has 64 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 1407744.

The previous prime is 4490831. The next prime is 4490861. The reversal of 4490856 is 6580944.

It is a super-2 number, since 2×44908562 = 40335575225472, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4490856.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3061 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (206550).

Almost surely, 24490856 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 4490856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6609600).

4490856 is an abundant number, since it is smaller than the sum of its proper divisors (8728344).

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

4490856 is a wasteful number, since it uses less digits than its factorization.

4490856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4490856 is about 2119.1639861040. The cubic root of 4490856 is about 164.9844613466.

The spelling of 4490856 in words is "four million, four hundred ninety thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 102 108 136 153 204 216 306 408 459 612 918 1223 1224 1836 2446 3669 3672 4892 7338 9784 11007 14676 20791 22014 29352 33021 41582 44028 62373 66042 83164 88056 124746 132084 166328 187119 249492 264168 374238 498984 561357 748476 1122714 1496952 2245428 4490856