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91148482 = 245574241
BaseRepresentation
bin1010110111011…
…01000011000010
320100111211012201
411123231003002
5141313222412
613013343414
72154515005
oct533550302
9210454181
1091148482
11474a6227
1226637b6a
1315b64919
14c16953c
158006e57
hex56ed0c2

91148482 has 4 divisors (see below), whose sum is σ = 136722726. Its totient is φ = 45574240.

The previous prime is 91148467. The next prime is 91148489. The reversal of 91148482 is 28484119.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28484119 = 29982211.

It can be written as a sum of positive squares in only one way, i.e., 78694641 + 12453841 = 8871^2 + 3529^2 .

It is not an unprimeable number, because it can be changed into a prime (91148489) by changing a digit.

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 as a sum of consecutive naturals, namely, 22787119 + ... + 22787122.

Almost surely, 291148482 is an apocalyptic number.

91148482 is a deficient number, since it is larger than the sum of its proper divisors (45574244).

91148482 is a wasteful number, since it uses less digits than its factorization.

91148482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45574243.

The product of its digits is 18432, while the sum is 37.

The square root of 91148482 is about 9547.1714135654. The cubic root of 91148482 is about 450.0386501782.

The spelling of 91148482 in words is "ninety-one million, one hundred forty-eight thousand, four hundred eighty-two".

Divisors: 1 2 45574241 91148482