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109708972 = 2229945767
BaseRepresentation
bin1101000101000…
…00011010101100
321122102210102021
412202200122230
5211041141342
614515235524
72501340142
oct642403254
9248383367
10109708972
1156a22a7a
12308a8ba4
1319962a69
14107db592
159971567
hex68a06ac

109708972 has 12 divisors (see below), whose sum is σ = 198611280. Its totient is φ = 52962896.

The previous prime is 109708961. The next prime is 109708979. The reversal of 109708972 is 279807901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109708979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472768 + ... + 472999.

It is an arithmetic number, because the mean of its divisors is an integer number (16550940).

Almost surely, 2109708972 is an apocalyptic number.

It is an amenable number.

109708972 is a deficient number, since it is larger than the sum of its proper divisors (88902308).

109708972 is a wasteful number, since it uses less digits than its factorization.

109708972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945800 (or 945798 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 109708972 is about 10474.2050772362. The cubic root of 109708972 is about 478.7190557343.

The spelling of 109708972 in words is "one hundred nine million, seven hundred eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 29 58 116 945767 1891534 3783068 27427243 54854486 109708972