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91376272 = 2413247719
BaseRepresentation
bin1010111001001…
…00101010010000
320100221101200101
411130210222100
5141343020042
613022302144
72156454061
oct534445220
9210841611
1091376272
1147641389
1226727954
1315c14500
14c1c8568
15804e6b7
hex5724a90

91376272 has 60 divisors (see below), whose sum is σ = 196058880. Its totient is φ = 41218944.

The previous prime is 91376269. The next prime is 91376287. The reversal of 91376272 is 27267319.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126729 + ... + 127447.

It is an arithmetic number, because the mean of its divisors is an integer number (3267648).

Almost surely, 291376272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91376272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98029440).

91376272 is an abundant number, since it is smaller than the sum of its proper divisors (104682608).

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

91376272 is a wasteful number, since it uses less digits than its factorization.

91376272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 781 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 91376272 is about 9559.0936808884. The cubic root of 91376272 is about 450.4132368676.

The spelling of 91376272 in words is "ninety-one million, three hundred seventy-six thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 47 52 94 104 169 188 208 338 376 611 676 719 752 1222 1352 1438 2444 2704 2876 4888 5752 7943 9347 9776 11504 15886 18694 31772 33793 37388 63544 67586 74776 121511 127088 135172 149552 243022 270344 439309 486044 540688 878618 972088 1757236 1944176 3514472 5711017 7028944 11422034 22844068 45688136 91376272