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4471980 = 2235731021
BaseRepresentation
bin10001000011110010101100
322102012101220
4101003302230
52121100410
6235503340
753003562
oct21036254
98365356
104471980
112584957
1215b7b50
13c07656
14845a32
155d5070
hex443cac

4471980 has 48 divisors (see below), whose sum is σ = 12705504. Its totient is φ = 1175040.

The previous prime is 4471979. The next prime is 4471997. The reversal of 4471980 is 891744.

It is a congruent number.

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, 3870 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (264698).

Almost surely, 24471980 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 4471980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6352752).

4471980 is an abundant number, since it is smaller than the sum of its proper divisors (8233524).

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

4471980 is a wasteful number, since it uses less digits than its factorization.

4471980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 4471980 is about 2114.7056532766. The cubic root of 4471980 is about 164.7529820782.

The spelling of 4471980 in words is "four million, four hundred seventy-one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 730 876 1021 1095 1460 2042 2190 3063 4084 4380 5105 6126 10210 12252 15315 20420 30630 61260 74533 149066 223599 298132 372665 447198 745330 894396 1117995 1490660 2235990 4471980