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109407193 = 715629599
BaseRepresentation
bin1101000010101…
…10101111011001
321121212110110021
412201112233121
5211002012233
614504550441
72465642260
oct641265731
9247773407
10109407193
1156837275
1230782421
13198885ac
141075d5d7
159911e2d
hex6856bd9

109407193 has 4 divisors (see below), whose sum is σ = 125036800. Its totient is φ = 93777588.

The previous prime is 109407167. The next prime is 109407203. The reversal of 109407193 is 391704901.

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 109407193 - 217 = 109276121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109407143) 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, 7814793 + ... + 7814806.

It is an arithmetic number, because the mean of its divisors is an integer number (31259200).

Almost surely, 2109407193 is an apocalyptic number.

It is an amenable number.

109407193 is a deficient number, since it is larger than the sum of its proper divisors (15629607).

109407193 is an equidigital number, since it uses as much as digits as its factorization.

109407193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15629606.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 109407193 is about 10459.7893382228. The cubic root of 109407193 is about 478.2797114664.

The spelling of 109407193 in words is "one hundred nine million, four hundred seven thousand, one hundred ninety-three".

Divisors: 1 7 15629599 109407193