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91960814 = 2116596343
BaseRepresentation
bin1010111101100…
…11010111101110
320102001002112002
411132303113232
5142020221224
613043012302
72164440221
oct536632756
9212032462
1091960814
1147a00580
122696a092
131608a5aa
14c2db5b8
1581179ae
hex57b35ee

91960814 has 16 divisors (see below), whose sum is σ = 150733440. Its totient is φ = 41730360.

The previous prime is 91960751. The next prime is 91960823. The reversal of 91960814 is 41806919.

It is a happy number.

It is a super-3 number, since 3×919608143 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11327 + ... + 17669.

It is an arithmetic number, because the mean of its divisors is an integer number (9420840).

Almost surely, 291960814 is an apocalyptic number.

91960814 is a deficient number, since it is larger than the sum of its proper divisors (58772626).

91960814 is a wasteful number, since it uses less digits than its factorization.

91960814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 91960814 is about 9589.6201176063. The cubic root of 91960814 is about 451.3716403835.

The spelling of 91960814 in words is "ninety-one million, nine hundred sixty thousand, eight hundred fourteen".

Divisors: 1 2 11 22 659 1318 6343 7249 12686 14498 69773 139546 4180037 8360074 45980407 91960814