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91894048 = 252871689
BaseRepresentation
bin1010111101000…
…11000100100000
320101220200221021
411132203010200
5142011102143
613041335224
72164041451
oct536430440
9211820837
1091894048
11479653a4
1226937514
131606609c
14c2c1128
158102ced
hex57a3120

91894048 has 12 divisors (see below), whose sum is σ = 180916470. Its totient is φ = 45947008.

The previous prime is 91894009. The next prime is 91894073. The reversal of 91894048 is 84049819.

It can be written as a sum of positive squares in only one way, i.e., 84860944 + 7033104 = 9212^2 + 2652^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 91893995 and 91894013.

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 as a sum of consecutive naturals, namely, 1435813 + ... + 1435876.

Almost surely, 291894048 is an apocalyptic number.

It is an amenable number.

91894048 is a deficient number, since it is larger than the sum of its proper divisors (89022422).

91894048 is a wasteful number, since it uses less digits than its factorization.

91894048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871699 (or 2871691 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 91894048 is about 9586.1383257285. The cubic root of 91894048 is about 451.2623779929.

The spelling of 91894048 in words is "ninety-one million, eight hundred ninety-four thousand, forty-eight".

Divisors: 1 2 4 8 16 32 2871689 5743378 11486756 22973512 45947024 91894048