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44168400 = 24325212269
BaseRepresentation
bin1010100001111…
…1010011010000
310002002222122200
42220133103100
542301342100
64214403200
71044265563
oct250372320
9102088580
1044168400
1122a28411
1212960500
1391c5c63
145c1a4da
153d26e00
hex2a1f4d0

44168400 has 90 divisors (see below), whose sum is σ = 153289110. Its totient is φ = 11777280.

The previous prime is 44168323. The next prime is 44168401. The reversal of 44168400 is 486144.

It can be written as a sum of positive squares in 3 ways, for example, as 11128896 + 33039504 = 3336^2 + 5748^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44168401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2535 + ... + 9734.

Almost surely, 244168400 is an apocalyptic number.

44168400 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 44168400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76644555).

44168400 is an abundant number, since it is smaller than the sum of its proper divisors (109120710).

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

44168400 is a wasteful number, since it uses less digits than its factorization.

44168400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293 (or 12279 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 44168400 is about 6645.9310860104. The cubic root of 44168400 is about 353.4846470301.

The spelling of 44168400 in words is "forty-four million, one hundred sixty-eight thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 3600 12269 24538 36807 49076 61345 73614 98152 110421 122690 147228 184035 196304 220842 245380 294456 306725 368070 441684 490760 552105 588912 613450 736140 883368 920175 981520 1104210 1226900 1472280 1766736 1840350 2208420 2453800 2760525 2944560 3680700 4416840 4907600 5521050 7361400 8833680 11042100 14722800 22084200 44168400