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109210930 = 2524774409
BaseRepresentation
bin1101000001001…
…10110100110010
321121111111020021
412200212310302
5210424222210
614500434054
72464164133
oct640466462
9247444207
10109210930
1156712874
12306a892a
131981a16a
141070bc8a
1598c3bda
hex6826d32

109210930 has 16 divisors (see below), whose sum is σ = 196703640. Its totient is φ = 43656832.

The previous prime is 109210903. The next prime is 109210951. The reversal of 109210930 is 39012901.

It can be written as a sum of positive squares in 4 ways, for example, as 62110161 + 47100769 = 7881^2 + 6863^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109210895 and 109210904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22566 + ... + 26974.

Almost surely, 2109210930 is an apocalyptic number.

109210930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109210930 is a deficient number, since it is larger than the sum of its proper divisors (87492710).

109210930 is a wasteful number, since it uses less digits than its factorization.

109210930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 109210930 is about 10450.4033414984. The cubic root of 109210930 is about 477.9935486953.

The spelling of 109210930 in words is "one hundred nine million, two hundred ten thousand, nine hundred thirty".

Divisors: 1 2 5 10 2477 4409 4954 8818 12385 22045 24770 44090 10921093 21842186 54605465 109210930