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109021970 = 2559257719
BaseRepresentation
bin1100111111110…
…00101100010010
321121010220000202
412133320230102
5210402200340
614452415202
72462446211
oct637705422
9247126022
10109021970
11565a3902
1230617502
1319782155
141069d078
159887c15
hex67f8b12

109021970 has 32 divisors (see below), whose sum is σ = 200620800. Its totient is φ = 42643456.

The previous prime is 109021961. The next prime is 109021973. The reversal of 109021970 is 79120901.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109021973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151271 + ... + 151989.

It is an arithmetic number, because the mean of its divisors is an integer number (6269400).

Almost surely, 2109021970 is an apocalyptic number.

109021970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109021970 is a deficient number, since it is larger than the sum of its proper divisors (91598830).

109021970 is a wasteful number, since it uses less digits than its factorization.

109021970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 109021970 is about 10441.3586280713. The cubic root of 109021970 is about 477.7177099934.

The spelling of 109021970 in words is "one hundred nine million, twenty-one thousand, nine hundred seventy".

Divisors: 1 2 5 10 59 118 257 295 514 590 719 1285 1438 2570 3595 7190 15163 30326 42421 75815 84842 151630 184783 212105 369566 424210 923915 1847830 10902197 21804394 54510985 109021970