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44400480 = 2535233397
BaseRepresentation
bin1010100101011…
…1111101100000
310002112210000020
42221113331200
542331303410
64223353440
71046253315
oct251277540
9102483006
1044400480
1123076813
1212a52880
139277797
145c7ad0c
153d70a70
hex2a57f60

44400480 has 96 divisors (see below), whose sum is σ = 140815584. Its totient is φ = 11759616.

The previous prime is 44400443. The next prime is 44400523. The reversal of 44400480 is 8400444.

It is a tau number, because it is divible by the number of its divisors (96).

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 44400480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111642 + ... + 112038.

It is an arithmetic number, because the mean of its divisors is an integer number (1466829).

Almost surely, 244400480 is an apocalyptic number.

44400480 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 44400480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70407792).

44400480 is an abundant number, since it is smaller than the sum of its proper divisors (96415104).

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

44400480 is a wasteful number, since it uses less digits than its factorization.

44400480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 640 counting only the distinct ones).

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

The square root of 44400480 is about 6663.3685174992. The cubic root of 44400480 is about 354.1026865434.

The spelling of 44400480 in words is "forty-four million, four hundred thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 233 240 397 466 480 699 794 932 1165 1191 1398 1588 1864 1985 2330 2382 2796 3176 3495 3728 3970 4660 4764 5592 5955 6352 6990 7456 7940 9320 9528 11184 11910 12704 13980 15880 18640 19056 22368 23820 27960 31760 37280 38112 47640 55920 63520 92501 95280 111840 185002 190560 277503 370004 462505 555006 740008 925010 1110012 1387515 1480016 1850020 2220024 2775030 2960032 3700040 4440048 5550060 7400080 8880096 11100120 14800160 22200240 44400480