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16031244 = 2235922643
BaseRepresentation
bin111101001001…
…111000001100
31010011110201210
4331021320030
513100444434
61331334420
7253156215
oct75117014
933143653
1016031244
11905a569
125451410
133423b58
1421b440c
151619ee9
hexf49e0c

16031244 has 24 divisors (see below), whose sum is σ = 38041920. Its totient is φ = 5252944.

The previous prime is 16031243. The next prime is 16031251. The reversal of 16031244 is 44213061.

16031244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16031244.

It is not an unprimeable number, because it can be changed into a prime (16031243) 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, 10614 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (1585080).

Almost surely, 216031244 is an apocalyptic number.

It is an amenable number.

16031244 is an abundant number, since it is smaller than the sum of its proper divisors (22010676).

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

16031244 is a wasteful number, since it uses less digits than its factorization.

16031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22709 (or 22707 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16031244 is about 4003.9035952430. The cubic root of 16031244 is about 252.1481240528.

The spelling of 16031244 in words is "sixteen million, thirty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 22643 45286 67929 90572 135858 271716 1335937 2671874 4007811 5343748 8015622 16031244