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96749221 = 531825457
BaseRepresentation
bin1011100010001…
…00011010100101
320202001100222111
411301010122211
5144231433341
613333401021
72253232462
oct561043245
9222040874
1096749221
114a681138
1228499171
1317075c7a
14cbc6669
158761681
hex5c446a5

96749221 has 4 divisors (see below), whose sum is σ = 98574732. Its totient is φ = 94923712.

The previous prime is 96749189. The next prime is 96749231. The reversal of 96749221 is 12294769.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12294769 = 70917341.

It can be written as a sum of positive squares in 2 ways, for example, as 88830625 + 7918596 = 9425^2 + 2814^2 .

It is a cyclic number.

It is not a de Polignac number, because 96749221 - 25 = 96749189 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96749231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912676 + ... + 912781.

It is an arithmetic number, because the mean of its divisors is an integer number (24643683).

Almost surely, 296749221 is an apocalyptic number.

It is an amenable number.

96749221 is a deficient number, since it is larger than the sum of its proper divisors (1825511).

96749221 is a wasteful number, since it uses less digits than its factorization.

96749221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825510.

The product of its digits is 54432, while the sum is 40.

The square root of 96749221 is about 9836.1181875779. The cubic root of 96749221 is about 459.0737837507.

The spelling of 96749221 in words is "ninety-six million, seven hundred forty-nine thousand, two hundred twenty-one".

Divisors: 1 53 1825457 96749221