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44213400 = 233252711229
BaseRepresentation
bin1010100010101…
…0010010011000
310002012021101100
42220222102120
542304312100
64215351400
71044544020
oct250522230
9102167340
1044213400
1122a59200
1212982560
13921059a
145c2ca80
153d35400
hex2a2a498

44213400 has 432 divisors, whose sum is σ = 192956400. Its totient is φ = 8870400.

The previous prime is 44213387. The next prime is 44213419. The reversal of 44213400 is 431244.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1524586 + ... + 1524614.

Almost surely, 244213400 is an apocalyptic number.

44213400 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 44213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96478200).

44213400 is an abundant number, since it is smaller than the sum of its proper divisors (148743000).

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

44213400 is a wasteful number, since it uses less digits than its factorization.

44213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44213400 is about 6649.3157542713. The cubic root of 44213400 is about 353.6046529625.

Adding to 44213400 its reverse (431244), we get a palindrome (44644644).

It can be divided in two parts, 44 and 213400, that added together give a square (213444 = 4622).

The spelling of 44213400 in words is "forty-four million, two hundred thirteen thousand, four hundred".