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91416 = 23313293
BaseRepresentation
bin10110010100011000
311122101210
4112110120
510411131
61543120
7530343
oct262430
9148353
1091416
1162756
1244aa0
13327c0
142545a
151c146
hex16518

91416 has 32 divisors (see below), whose sum is σ = 246960. Its totient is φ = 28032.

The previous prime is 91411. The next prime is 91423. The reversal of 91416 is 61419.

It is a junction number, because it is equal to n+sod(n) for n = 91392 and 91401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91411) by changing a digit.

91416 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 458.

291416 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 91416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123480).

91416 is an abundant number, since it is smaller than the sum of its proper divisors (155544).

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

91416 is a wasteful number, since it uses less digits than its factorization.

91416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 311 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 91416 is about 302.3507896467. The cubic root of 91416 is about 45.0478503353.

The spelling of 91416 in words is "ninety-one thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 293 312 586 879 1172 1758 2344 3516 3809 7032 7618 11427 15236 22854 30472 45708 91416