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91096842 = 2315182807
BaseRepresentation
bin1010110111000…
…00011100001010
320100102012101010
411123200130022
5141310044332
613012304350
72154211314
oct533403412
9210365333
1091096842
1147470451
12266120b6
1315b47275
14c1547b4
157ee69cc
hex56e070a

91096842 has 8 divisors (see below), whose sum is σ = 182193696. Its totient is φ = 30365612.

The previous prime is 91096823. The next prime is 91096843. The reversal of 91096842 is 24869019.

It is a sphenic number, since it is the product of 3 distinct primes.

91096842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 91096842.

It is not an unprimeable number, because it can be changed into a prime (91096843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7591398 + ... + 7591409.

It is an arithmetic number, because the mean of its divisors is an integer number (22774212).

Almost surely, 291096842 is an apocalyptic number.

91096842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91096842 is a wasteful number, since it uses less digits than its factorization.

91096842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15182812.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 91096842 is about 9544.4665644550. The cubic root of 91096842 is about 449.9536446077.

It can be divided in two parts, 9109 and 6842, that added together give a palindrome (15951).

The spelling of 91096842 in words is "ninety-one million, ninety-six thousand, eight hundred forty-two".

Divisors: 1 2 3 6 15182807 30365614 45548421 91096842