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4481872 = 241923641
BaseRepresentation
bin10001000110001101010000
322102200222021
4101012031100
52121404442
6240021224
753044453
oct21061520
98380867
104481872
11259132a
121601814
13c0bcc5
1484949a
155d7e67
hex446350

4481872 has 40 divisors (see below), whose sum is σ = 9552960. Its totient is φ = 2027520.

The previous prime is 4481857. The next prime is 4481881. The reversal of 4481872 is 2781844.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 6672 + ... + 7312.

It is an arithmetic number, because the mean of its divisors is an integer number (238824).

Almost surely, 24481872 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 4481872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4776480).

4481872 is an abundant number, since it is smaller than the sum of its proper divisors (5071088).

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

4481872 is a wasteful number, since it uses less digits than its factorization.

4481872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 685 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 4481872 is about 2117.0432210987. The cubic root of 4481872 is about 164.8743702416.

The spelling of 4481872 in words is "four million, four hundred eighty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 19 23 38 46 76 92 152 184 304 368 437 641 874 1282 1748 2564 3496 5128 6992 10256 12179 14743 24358 29486 48716 58972 97432 117944 194864 235888 280117 560234 1120468 2240936 4481872