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109398950 = 2522187979
BaseRepresentation
bin1101000010101…
…00101110100110
321121212001010222
412201110232212
5211001231300
614504444342
72465606243
oct641245646
9247761128
10109398950
1156831061
12307796b2
131988490b
141075a5ca
15990e785
hex6854ba6

109398950 has 12 divisors (see below), whose sum is σ = 203482140. Its totient is φ = 43759560.

The previous prime is 109398937. The next prime is 109398959. The reversal of 109398950 is 59893901.

It is a super-2 number, since 2×1093989502 = 23936260522205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109398959) 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 5 ways as a sum of consecutive naturals, for example, 1093940 + ... + 1094039.

It is an arithmetic number, because the mean of its divisors is an integer number (16956845).

Almost surely, 2109398950 is an apocalyptic number.

109398950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109398950 is a deficient number, since it is larger than the sum of its proper divisors (94083190).

109398950 is a wasteful number, since it uses less digits than its factorization.

109398950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187991 (or 2187986 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 109398950 is about 10459.3952980084. The cubic root of 109398950 is about 478.2676995851.

The spelling of 109398950 in words is "one hundred nine million, three hundred ninety-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 2187979 4375958 10939895 21879790 54699475 109398950