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4444080 = 243518517
BaseRepresentation
bin10000111100111110110000
322100210010120
4100330332300
52114202310
6235130240
752526334
oct20747660
98323116
104444080
1125659a3
1215a3980
13bc7a44
148397c4
155cbb70
hex43cfb0

4444080 has 40 divisors (see below), whose sum is σ = 13777392. Its totient is φ = 1185024.

The previous prime is 4444049. The next prime is 4444087. The reversal of 4444080 is 804444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4444080.

It is not an unprimeable number, because it can be changed into a prime (4444087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9019 + ... + 9498.

Almost surely, 24444080 is an apocalyptic number.

4444080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444080 is an abundant number, since it is smaller than the sum of its proper divisors (9333312).

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

4444080 is a wasteful number, since it uses less digits than its factorization.

4444080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533 (or 18527 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4444080 is about 2108.0986694175. The cubic root of 4444080 is about 164.4096441794.

The spelling of 4444080 in words is "four million, four hundred forty-four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 18517 37034 55551 74068 92585 111102 148136 185170 222204 277755 296272 370340 444408 555510 740680 888816 1111020 1481360 2222040 4444080