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109074257 = 234742359
BaseRepresentation
bin1101000000001…
…01011101010001
321121020112202022
412200011131101
5210410334012
614453501225
72463054515
oct640053521
9247215668
10109074257
115662a116
1230641815
131979cba6
14106b4145
159898472
hex6805751

109074257 has 4 divisors (see below), whose sum is σ = 113816640. Its totient is φ = 104331876.

The previous prime is 109074241. The next prime is 109074271. The reversal of 109074257 is 752470901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109074257 - 24 = 109074241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109076257) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2371157 + ... + 2371202.

It is an arithmetic number, because the mean of its divisors is an integer number (28454160).

Almost surely, 2109074257 is an apocalyptic number.

It is an amenable number.

109074257 is a deficient number, since it is larger than the sum of its proper divisors (4742383).

109074257 is an equidigital number, since it uses as much as digits as its factorization.

109074257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742382.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 109074257 is about 10443.8621687573. The cubic root of 109074257 is about 477.7940690176.

The spelling of 109074257 in words is "one hundred nine million, seventy-four thousand, two hundred fifty-seven".

Divisors: 1 23 4742359 109074257