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5644480 = 26531569
BaseRepresentation
bin10101100010000011000000
3101121202202211
4111202003000
52421110410
6320551504
765656132
oct25420300
911552684
105644480
113205866
121a82594
13122823a
14a6d052
1576768a
hex5620c0

5644480 has 56 divisors (see below), whose sum is σ = 13898880. Its totient is φ = 2181120.

The previous prime is 5644477. The next prime is 5644487. The reversal of 5644480 is 844465.

It is a hoax number, since the sum of its digits (31) 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 (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9636 + ... + 10204.

Almost surely, 25644480 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 5644480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6949440).

5644480 is an abundant number, since it is smaller than the sum of its proper divisors (8254400).

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

5644480 is a wasteful number, since it uses less digits than its factorization.

5644480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 5644480 is about 2375.8114403294. The cubic root of 5644480 is about 178.0497273008.

The spelling of 5644480 in words is "five million, six hundred forty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 155 160 248 310 320 496 569 620 992 1138 1240 1984 2276 2480 2845 4552 4960 5690 9104 9920 11380 17639 18208 22760 35278 36416 45520 70556 88195 91040 141112 176390 182080 282224 352780 564448 705560 1128896 1411120 2822240 5644480