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107728442 = 2197139929
BaseRepresentation
bin1100110101111…
…00111000111010
321111201011122022
412122330320322
5210034302232
614404554442
72445451043
oct632747072
9244634568
10107728442
115589aa78
12300b2a22
131941b453
14104438ca
1596ce812
hex66bce3a

107728442 has 16 divisors (see below), whose sum is σ = 172497600. Its totient is φ = 50309280.

The previous prime is 107728433. The next prime is 107728457. The reversal of 107728442 is 244827701.

It is a happy number.

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, 17267 + ... + 22662.

It is an arithmetic number, because the mean of its divisors is an integer number (10781100).

Almost surely, 2107728442 is an apocalyptic number.

107728442 is a deficient number, since it is larger than the sum of its proper divisors (64769158).

107728442 is a wasteful number, since it uses less digits than its factorization.

107728442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40021.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 107728442 is about 10379.2312817472. The cubic root of 107728442 is about 475.8208403502.

The spelling of 107728442 in words is "one hundred seven million, seven hundred twenty-eight thousand, four hundred forty-two".

Divisors: 1 2 19 38 71 142 1349 2698 39929 79858 758651 1517302 2834959 5669918 53864221 107728442