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44207990 = 2517260047
BaseRepresentation
bin1010100010100…
…0111101110110
310002011222221222
42220220331312
542304123430
64215310342
71044522161
oct250507566
9102158858
1044207990
1122a55132
121297b3b2
13920ac98
145c2aad8
153d339e5
hex2a28f76

44207990 has 16 divisors (see below), whose sum is σ = 84255552. Its totient is φ = 16642944.

The previous prime is 44207987. The next prime is 44208011. The reversal of 44207990 is 9970244.

It is a self number, because there is not a number n which added to its sum of digits gives 44207990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129854 + ... + 130193.

It is an arithmetic number, because the mean of its divisors is an integer number (5265972).

Almost surely, 244207990 is an apocalyptic number.

44207990 is a deficient number, since it is larger than the sum of its proper divisors (40047562).

44207990 is a wasteful number, since it uses less digits than its factorization.

44207990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260071.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 44207990 is about 6648.9089330506. The cubic root of 44207990 is about 353.5902298902.

The spelling of 44207990 in words is "forty-four million, two hundred seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 260047 520094 1300235 2600470 4420799 8841598 22103995 44207990