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91004122 = 2114136551
BaseRepresentation
bin1010110110010…
…01110011011010
320100020111012001
411123021303122
5141244112442
613010311214
72153344066
oct533116332
9210214161
1091004122
1147407820
122658850a
1315b13cc1
14c12caa6
157ec92b7
hex56c9cda

91004122 has 8 divisors (see below), whose sum is σ = 148915872. Its totient is φ = 41365500.

The previous prime is 91004119. The next prime is 91004183. The reversal of 91004122 is 22140019.

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

It is a self number, because there is not a number n which added to its sum of digits gives 91004122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068254 + ... + 2068297.

It is an arithmetic number, because the mean of its divisors is an integer number (18614484).

Almost surely, 291004122 is an apocalyptic number.

91004122 is a deficient number, since it is larger than the sum of its proper divisors (57911750).

91004122 is a wasteful number, since it uses less digits than its factorization.

91004122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136564.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 91004122 is about 9539.6080632278. The cubic root of 91004122 is about 449.8009358223.

The spelling of 91004122 in words is "ninety-one million, four thousand, one hundred twenty-two".

Divisors: 1 2 11 22 4136551 8273102 45502061 91004122