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109425378 = 2369126393
BaseRepresentation
bin1101000010110…
…11001011100010
321121220101101210
412201123023202
5211003103003
614505210550
72466046266
oct641331342
9247811353
10109425378
11568499a7
1230790a56
131989395a
14107660a6
159917503
hex685b2e2

109425378 has 16 divisors (see below), whose sum is σ = 219175776. Its totient is φ = 36420960.

The previous prime is 109425367. The next prime is 109425383. The reversal of 109425378 is 873524901.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9051 + ... + 17342.

It is an arithmetic number, because the mean of its divisors is an integer number (13698486).

Almost surely, 2109425378 is an apocalyptic number.

109425378 is an abundant number, since it is smaller than the sum of its proper divisors (109750398).

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

109425378 is a wasteful number, since it uses less digits than its factorization.

109425378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27089.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 109425378 is about 10460.6585834736. The cubic root of 109425378 is about 478.3062089160.

The spelling of 109425378 in words is "one hundred nine million, four hundred twenty-five thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 691 1382 2073 4146 26393 52786 79179 158358 18237563 36475126 54712689 109425378