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104748491 = 887118093
BaseRepresentation
bin1100011111001…
…01010111001011
321022002202220202
412033211113023
5203303422431
614221042415
72411230121
oct617452713
9238082822
10104748491
1154145101
122b0b640b
1318916c73
14dca9911
1592e18cb
hex63e55cb

104748491 has 4 divisors (see below), whose sum is σ = 104867472. Its totient is φ = 104629512.

The previous prime is 104748487. The next prime is 104748499. The reversal of 104748491 is 194847401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194847401 = 727835343.

It is a cyclic number.

It is not a de Polignac number, because 104748491 - 22 = 104748487 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (104748499) 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, 58160 + ... + 59933.

It is an arithmetic number, because the mean of its divisors is an integer number (26216868).

Almost surely, 2104748491 is an apocalyptic number.

104748491 is a deficient number, since it is larger than the sum of its proper divisors (118981).

104748491 is an equidigital number, since it uses as much as digits as its factorization.

104748491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118980.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 104748491 is about 10234.6710254898. The cubic root of 104748491 is about 471.3924167166.

The spelling of 104748491 in words is "one hundred four million, seven hundred forty-eight thousand, four hundred ninety-one".

Divisors: 1 887 118093 104748491