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109008475 = 5237191617
BaseRepresentation
bin1100111111101…
…01011001011011
321121010012111221
412133311121123
5210401232400
614452232511
72462361652
oct637653133
9247105457
10109008475
1156594754
123060b737
1319778c74
1410698199
159883c1a
hex67f565b

109008475 has 24 divisors (see below), whose sum is σ = 139776768. Its totient is φ = 84268800.

The previous prime is 109008467. The next prime is 109008481. The reversal of 109008475 is 574800901.

It is a happy number.

It is not a de Polignac number, because 109008475 - 23 = 109008467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109008475.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176367 + ... + 176983.

It is an arithmetic number, because the mean of its divisors is an integer number (5824032).

Almost surely, 2109008475 is an apocalyptic number.

109008475 is a deficient number, since it is larger than the sum of its proper divisors (30768293).

109008475 is a wasteful number, since it uses less digits than its factorization.

109008475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 109008475 is about 10440.7123799097. The cubic root of 109008475 is about 477.6979981668.

The spelling of 109008475 in words is "one hundred nine million, eight thousand, four hundred seventy-five".

Divisors: 1 5 25 37 185 191 617 925 955 3085 4775 7067 15425 22829 35335 114145 117847 176675 570725 589235 2946175 4360339 21801695 109008475