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109207974 = 2318201329
BaseRepresentation
bin1101000001001…
…10000110100110
321121111100011210
412200212012212
5210424123344
614500412250
72464152411
oct640460646
9247440153
10109207974
1156710627
12306a7086
1319818a05
141070ab78
1598c2db9
hex68261a6

109207974 has 8 divisors (see below), whose sum is σ = 218415960. Its totient is φ = 36402656.

The previous prime is 109207909. The next prime is 109207999. The reversal of 109207974 is 479702901.

It is a sphenic number, since it is the product of 3 distinct primes.

109207974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 9100659 + ... + 9100670.

It is an arithmetic number, because the mean of its divisors is an integer number (27301995).

Almost surely, 2109207974 is an apocalyptic number.

109207974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

109207974 is a wasteful number, since it uses less digits than its factorization.

109207974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18201334.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 109207974 is about 10450.2619105934. The cubic root of 109207974 is about 477.9892360572.

It can be divided in two parts, 10920797 and 4, that added together give a triangular number (10920801 = T4673).

The spelling of 109207974 in words is "one hundred nine million, two hundred seven thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 18201329 36402658 54603987 109207974