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16444907 = 163233433
BaseRepresentation
bin111110101110…
…110111101011
31010221111011122
4332232313223
513202214112
61344245455
7256531223
oct76566753
933844148
1016444907
119312336
12561088b
13353a21b
142281083
15169c872
hexfaedeb

16444907 has 8 divisors (see below), whose sum is σ = 16655184. Its totient is φ = 16236288.

The previous prime is 16444889. The next prime is 16444919. The reversal of 16444907 is 70944461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16444907 - 26 = 16444843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16444007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37763 + ... + 38195.

It is an arithmetic number, because the mean of its divisors is an integer number (2081898).

Almost surely, 216444907 is an apocalyptic number.

16444907 is a deficient number, since it is larger than the sum of its proper divisors (210277).

16444907 is a wasteful number, since it uses less digits than its factorization.

16444907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 16444907 is about 4055.2320525464. The cubic root of 16444907 is about 254.2985051519.

The spelling of 16444907 in words is "sixteen million, four hundred forty-four thousand, nine hundred seven".

Divisors: 1 163 233 433 37979 70579 100889 16444907