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109285998 = 23471912029
BaseRepresentation
bin1101000001110…
…01001001101110
321121122022012120
412200321021232
5210434122443
614502213410
72464626033
oct640711156
9247568176
10109285998
1156764208
1230724266
1319845393
141072b38a
1598db083
hex683926e

109285998 has 32 divisors (see below), whose sum is σ = 224501760. Its totient is φ = 35449440.

The previous prime is 109285997. The next prime is 109285999. The reversal of 109285998 is 899582901.

It is an interprime number because it is at equal distance from previous prime (109285997) and next prime (109285999).

It is a self number, because there is not a number n which added to its sum of digits gives 109285998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109285997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52848 + ... + 54876.

It is an arithmetic number, because the mean of its divisors is an integer number (7015680).

Almost surely, 2109285998 is an apocalyptic number.

109285998 is an abundant number, since it is smaller than the sum of its proper divisors (115215762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109285998 is a wasteful number, since it uses less digits than its factorization.

109285998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its (nonzero) digits is 466560, while the sum is 51.

The square root of 109285998 is about 10453.9943562258. The cubic root of 109285998 is about 478.1030426244.

The spelling of 109285998 in words is "one hundred nine million, two hundred eighty-five thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 47 94 141 191 282 382 573 1146 2029 4058 6087 8977 12174 17954 26931 53862 95363 190726 286089 387539 572178 775078 1162617 2325234 18214333 36428666 54642999 109285998