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16319912 = 2371132579
BaseRepresentation
bin111110010000…
…010110101000
31010201010201012
4332100112220
513134214122
61341443052
7255500630
oct76202650
933633635
1016319912
119237434
125570488
1334c536b
14224b6c0
1516757e2
hexf905a8

16319912 has 32 divisors (see below), whose sum is σ = 35294400. Its totient is φ = 6929664.

The previous prime is 16319911. The next prime is 16319969. The reversal of 16319912 is 21991361.

It is not an unprimeable number, because it can be changed into a prime (16319911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5039 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (1102950).

Almost surely, 216319912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16319912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17647200).

16319912 is an abundant number, since it is smaller than the sum of its proper divisors (18974488).

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

16319912 is a wasteful number, since it uses less digits than its factorization.

16319912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705 (or 2701 counting only the distinct ones).

The product of its digits is 2916, while the sum is 32.

The square root of 16319912 is about 4039.7910837072. The cubic root of 16319912 is about 253.6525723023.

The spelling of 16319912 in words is "sixteen million, three hundred nineteen thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 113 226 452 791 904 1582 2579 3164 5158 6328 10316 18053 20632 36106 72212 144424 291427 582854 1165708 2039989 2331416 4079978 8159956 16319912