Search a number
-
+
44564480 = 219517
BaseRepresentation
bin1010101000000…
…0000000000000
310002212002222022
42222000000000
542402030410
64231101012
71050535412
oct252000000
9102762868
1044564480
1123178a54
1212b11768
13930431c
145cc09b2
153da4455
hex2a80000

44564480 has 80 divisors (see below), whose sum is σ = 113246100. Its totient is φ = 16777216.

The previous prime is 44564461. The next prime is 44564489. The reversal of 44564480 is 8446544.

It can be written as a sum of positive squares in 2 ways, for example, as 44302336 + 262144 = 6656^2 + 512^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 44564480.

It is not an unprimeable number, because it can be changed into a prime (44564489) by changing a digit.

In principle, a polygon with 44564480 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621432 + ... + 2621448.

Almost surely, 244564480 is an apocalyptic number.

44564480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44564480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56623050).

44564480 is an abundant number, since it is smaller than the sum of its proper divisors (68681620).

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

44564480 is an frugal number, since it uses more digits than its factorization.

44564480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 44564480 is about 6675.6632629275. The cubic root of 44564480 is about 354.5381284323.

The spelling of 44564480 in words is "forty-four million, five hundred sixty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 512 544 640 680 1024 1088 1280 1360 2048 2176 2560 2720 4096 4352 5120 5440 8192 8704 10240 10880 16384 17408 20480 21760 32768 34816 40960 43520 65536 69632 81920 87040 131072 139264 163840 174080 262144 278528 327680 348160 524288 557056 655360 696320 1114112 1310720 1392640 2228224 2621440 2785280 4456448 5570560 8912896 11141120 22282240 44564480