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16071916 = 2272919793
BaseRepresentation
bin111101010011…
…110011101100
31010020112112011
4331103303230
513103300131
61332251004
7253415620
oct75236354
933215464
1016071916
119088083
125470a64
133439513
1421c5180
1516270b1
hexf53cec

16071916 has 24 divisors (see below), whose sum is σ = 33253920. Its totient is φ = 6650112.

The previous prime is 16071911. The next prime is 16071931. The reversal of 16071916 is 61917061.

It is a super-2 number, since 2×160719162 = 516612967822112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16071911) 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, 9085 + ... + 10708.

It is an arithmetic number, because the mean of its divisors is an integer number (1385580).

Almost surely, 216071916 is an apocalyptic number.

It is an amenable number.

16071916 is an abundant number, since it is smaller than the sum of its proper divisors (17182004).

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

16071916 is a wasteful number, since it uses less digits than its factorization.

16071916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19833 (or 19831 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 16071916 is about 4008.9794212493. The cubic root of 16071916 is about 252.3611810875.

Adding to 16071916 its reverse (61917061), we get a palindrome (77988977).

The spelling of 16071916 in words is "sixteen million, seventy-one thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 19793 39586 79172 138551 277102 554204 573997 1147994 2295988 4017979 8035958 16071916