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4420864 = 2872467
BaseRepresentation
bin10000110111010100000000
322022121021201
4100313110000
52112431424
6234430544
752401550
oct20672400
98277251
104420864
11254a508
121592454
13bba2c6
14831160
155c4d44
hex437500

4420864 has 36 divisors (see below), whose sum is σ = 10089184. Its totient is φ = 1893888.

The previous prime is 4420859. The next prime is 4420891. The reversal of 4420864 is 4680244.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559 + ... + 3025.

Almost surely, 24420864 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 4420864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5044592).

4420864 is an abundant number, since it is smaller than the sum of its proper divisors (5668320).

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

4420864 is an equidigital number, since it uses as much as digits as its factorization.

4420864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 4420864 is about 2102.5850755677. The cubic root of 4420864 is about 164.1228506438.

The spelling of 4420864 in words is "four million, four hundred twenty thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 2467 4934 9868 17269 19736 34538 39472 69076 78944 138152 157888 276304 315776 552608 631552 1105216 2210432 4420864