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107428723 = 372903479
BaseRepresentation
bin1100110011100…
…11101101110011
321111010221111121
412121303231303
5210000204343
614354323111
72443062163
oct631635563
9244127447
10107428723
1155705876
122bb89497
1319344bbc
14103a65a3
159670aed
hex6673b73

107428723 has 4 divisors (see below), whose sum is σ = 110332240. Its totient is φ = 104525208.

The previous prime is 107428639. The next prime is 107428759. The reversal of 107428723 is 327824701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327824701 = 421778681.

It is a cyclic number.

It is not a de Polignac number, because 107428723 - 213 = 107420531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107428823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451703 + ... + 1451776.

It is an arithmetic number, because the mean of its divisors is an integer number (27583060).

Almost surely, 2107428723 is an apocalyptic number.

107428723 is a deficient number, since it is larger than the sum of its proper divisors (2903517).

107428723 is an equidigital number, since it uses as much as digits as its factorization.

107428723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903516.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 107428723 is about 10364.7828245458. The cubic root of 107428723 is about 475.3791587598.

The spelling of 107428723 in words is "one hundred seven million, four hundred twenty-eight thousand, seven hundred twenty-three".

Divisors: 1 37 2903479 107428723