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44900000 = 2555449
BaseRepresentation
bin1010101101000…
…1111010100000
310010111011012222
42223101322200
542443300000
64242210212
71053433535
oct253217240
9103434188
1044900000
1123388042
1213053968
1393c0c62
145d6ad8c
153e1da85
hex2ad1ea0

44900000 has 72 divisors (see below), whose sum is σ = 110735100. Its totient is φ = 17920000.

The previous prime is 44899991. The next prime is 44900029. The reversal of 44900000 is 944.

It can be written as a sum of positive squares in 6 ways, for example, as 3888784 + 41011216 = 1972^2 + 6404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99776 + ... + 100224.

Almost surely, 244900000 is an apocalyptic number.

44900000 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 44900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55367550).

44900000 is an abundant number, since it is smaller than the sum of its proper divisors (65835100).

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

44900000 is an frugal number, since it uses more digits than its factorization.

44900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 44900000 is about 6700.7462271004. The cubic root of 44900000 is about 355.4256614640.

Adding to 44900000 its reverse (944), we get a palindrome (44900944).

The spelling of 44900000 in words is "forty-four million, nine hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 449 500 625 800 898 1000 1250 1796 2000 2245 2500 3125 3592 4000 4490 5000 6250 7184 8980 10000 11225 12500 14368 17960 20000 22450 25000 35920 44900 50000 56125 71840 89800 100000 112250 179600 224500 280625 359200 449000 561250 898000 1122500 1403125 1796000 2245000 2806250 4490000 5612500 8980000 11225000 22450000 44900000