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91379896 = 2317671911
BaseRepresentation
bin1010111001001…
…01100010111000
320100221120122121
411130211202320
5141343124041
613022331024
72156500456
oct534454270
9210846577
1091379896
1147644083
1226729a74
1315c1605a
14c1c99d6
1580507d1
hex57258b8

91379896 has 16 divisors (see below), whose sum is σ = 181416240. Its totient is φ = 43002240.

The previous prime is 91379863. The next prime is 91379921. The reversal of 91379896 is 69897319.

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 3 ways as a sum of consecutive naturals, for example, 335820 + ... + 336091.

It is an arithmetic number, because the mean of its divisors is an integer number (11338515).

Almost surely, 291379896 is an apocalyptic number.

It is an amenable number.

91379896 is a deficient number, since it is larger than the sum of its proper divisors (90036344).

91379896 is a wasteful number, since it uses less digits than its factorization.

91379896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671934 (or 671930 counting only the distinct ones).

The product of its digits is 734832, while the sum is 52.

The square root of 91379896 is about 9559.2832367286. The cubic root of 91379896 is about 450.4191912799.

The spelling of 91379896 in words is "ninety-one million, three hundred seventy-nine thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 17 34 68 136 671911 1343822 2687644 5375288 11422487 22844974 45689948 91379896