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91040852 = 2276614919
BaseRepresentation
bin1010110110100…
…10110001010100
320100022100120102
411123102301110
5141301301402
613011153232
72153556140
oct533226124
9210270512
1091040852
1147432381
12265a5818
1315b27936
14c13c220
157ed5102
hex56d2c54

91040852 has 24 divisors (see below), whose sum is σ = 182394240. Its totient is φ = 38950560.

The previous prime is 91040827. The next prime is 91040861. The reversal of 91040852 is 25804019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16049 + ... + 20967.

It is an arithmetic number, because the mean of its divisors is an integer number (7599760).

Almost surely, 291040852 is an apocalyptic number.

It is an amenable number.

91040852 is an abundant number, since it is smaller than the sum of its proper divisors (91353388).

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

91040852 is a wasteful number, since it uses less digits than its factorization.

91040852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5589 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 91040852 is about 9541.5330005194. The cubic root of 91040852 is about 449.8614421152.

The spelling of 91040852 in words is "ninety-one million, forty thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 661 1322 2644 4627 4919 9254 9838 18508 19676 34433 68866 137732 3251459 6502918 13005836 22760213 45520426 91040852