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4418420 = 2251731277
BaseRepresentation
bin10000110110101101110100
322022110221012
4100312231310
52112342140
6234411352
752361456
oct20665564
98273835
104418420
112548696
121590b58
13bb9166
148302d6
155c4265
hex436b74

4418420 has 24 divisors (see below), whose sum is σ = 9339624. Its totient is φ = 1755776.

The previous prime is 4418417. The next prime is 4418437. The reversal of 4418420 is 248144.

It can be written as a sum of positive squares in 4 ways, for example, as 1582564 + 2835856 = 1258^2 + 1684^2 .

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, 2822 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (389151).

Almost surely, 24418420 is an apocalyptic number.

It is an amenable number.

4418420 is an abundant number, since it is smaller than the sum of its proper divisors (4921204).

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

4418420 is a wasteful number, since it uses less digits than its factorization.

4418420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4418420 is about 2102.0038058957. The cubic root of 4418420 is about 164.0926008867.

The spelling of 4418420 in words is "four million, four hundred eighteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1277 1730 2554 3460 5108 6385 12770 25540 220921 441842 883684 1104605 2209210 4418420