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109894047 = 372750387
BaseRepresentation
bin1101000110011…
…01100110011111
321122210012021220
412203031212133
5211113102142
614523224423
72503040544
oct643154637
9248705256
10109894047
115703a02a
1230978113
13199c9083
1410848bcb
1599ab2ec
hex68cd99f

109894047 has 8 divisors (see below), whose sum is σ = 146729856. Its totient is φ = 73160472.

The previous prime is 109894019. The next prime is 109894061. The reversal of 109894047 is 740498901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109894047 - 26 = 109893983 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109894067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23013 + ... + 27374.

It is an arithmetic number, because the mean of its divisors is an integer number (18341232).

Almost surely, 2109894047 is an apocalyptic number.

109894047 is a deficient number, since it is larger than the sum of its proper divisors (36835809).

109894047 is an equidigital number, since it uses as much as digits as its factorization.

109894047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51117.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 109894047 is about 10483.0361537104. The cubic root of 109894047 is about 478.9880983150.

The spelling of 109894047 in words is "one hundred nine million, eight hundred ninety-four thousand, forty-seven".

Divisors: 1 3 727 2181 50387 151161 36631349 109894047