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4997856 = 25379659
BaseRepresentation
bin10011000100001011100000
3100101220202210
4103010023200
52234412411
6255042120
760324003
oct23041340
910356683
104997856
112903a66
121810340
13105cb16
1494153a
1568aca6
hex4c42e0

4997856 has 48 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 1642368.

The previous prime is 4997843. The next prime is 4997887. The reversal of 4997856 is 6587994.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7255 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (277200).

Almost surely, 24997856 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 4997856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6652800).

4997856 is an abundant number, since it is smaller than the sum of its proper divisors (8307744).

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

4997856 is a wasteful number, since it uses less digits than its factorization.

4997856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 743 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 4997856 is about 2235.5885131213. The cubic root of 4997856 is about 170.9731499172.

The spelling of 4997856 in words is "four million, nine hundred ninety-seven thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 79 96 158 237 316 474 632 659 948 1264 1318 1896 1977 2528 2636 3792 3954 5272 7584 7908 10544 15816 21088 31632 52061 63264 104122 156183 208244 312366 416488 624732 832976 1249464 1665952 2498928 4997856