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109477873 = 426125693
BaseRepresentation
bin1101000011001…
…11111111110001
321122000001102001
412201213333301
5211011242443
614510254001
72466355321
oct641477761
9248001361
10109477873
115688538a
12307b7301
13198b180b
141077b281
159927d4d
hex6867ff1

109477873 has 4 divisors (see below), whose sum is σ = 109507828. Its totient is φ = 109447920.

The previous prime is 109477843. The next prime is 109477883. The reversal of 109477873 is 378774901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378774901 = 794794619.

It can be written as a sum of positive squares in 2 ways, for example, as 102171664 + 7306209 = 10108^2 + 2703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109477873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109477843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8586 + ... + 17107.

It is an arithmetic number, because the mean of its divisors is an integer number (27376957).

Almost surely, 2109477873 is an apocalyptic number.

It is an amenable number.

109477873 is a deficient number, since it is larger than the sum of its proper divisors (29955).

109477873 is an equidigital number, since it uses as much as digits as its factorization.

109477873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29954.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 109477873 is about 10463.1674458550. The cubic root of 109477873 is about 478.3826831635.

The spelling of 109477873 in words is "one hundred nine million, four hundred seventy-seven thousand, eight hundred seventy-three".

Divisors: 1 4261 25693 109477873