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44412320 = 255277577
BaseRepresentation
bin1010100101101…
…0110110100000
310002120101020202
42221122312200
542332143240
64223524332
71046332661
oct251326640
9102511222
1044412320
11230846a7
1212a596a8
13927cca4
145c81368
153d74315
hex2a5ada0

44412320 has 24 divisors (see below), whose sum is σ = 104924484. Its totient is φ = 17764864.

The previous prime is 44412301. The next prime is 44412337. The reversal of 44412320 is 2321444.

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 163216 = 6652^2 + 404^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44412292 and 44412301.

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, 138629 + ... + 138948.

Almost surely, 244412320 is an apocalyptic number.

44412320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44412320 is an abundant number, since it is smaller than the sum of its proper divisors (60512164).

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

44412320 is a wasteful number, since it uses less digits than its factorization.

44412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277592 (or 277584 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44412320 is about 6664.2568978094. The cubic root of 44412320 is about 354.1341592001.

Adding to 44412320 its reverse (2321444), we get a palindrome (46733764).

The spelling of 44412320 in words is "forty-four million, four hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 277577 555154 1110308 1387885 2220616 2775770 4441232 5551540 8882464 11103080 22206160 44412320