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837685142 = 27127471139
BaseRepresentation
bin110001111011100…
…000111110010110
32011101020210222122
4301323200332112
53203421411032
6215042255542
726521130510
oct6173407626
92141223878
10837685142
1139a940278
121b46575b2
13104718ba8
147d378bb0
154d81d012
hex31ee0f96

837685142 has 16 divisors (see below), whose sum is σ = 1447342080. Its totient is φ = 356180328.

The previous prime is 837685117. The next prime is 837685153. The reversal of 837685142 is 241586738.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 837685093 and 837685102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 233792 + ... + 237347.

It is an arithmetic number, because the mean of its divisors is an integer number (90458880).

Almost surely, 2837685142 is an apocalyptic number.

837685142 is a deficient number, since it is larger than the sum of its proper divisors (609656938).

837685142 is a wasteful number, since it uses less digits than its factorization.

837685142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471275.

The product of its digits is 322560, while the sum is 44.

The square root of 837685142 is about 28942.7908467722. The cubic root of 837685142 is about 942.6712691730.

The spelling of 837685142 in words is "eight hundred thirty-seven million, six hundred eighty-five thousand, one hundred forty-two".

Divisors: 1 2 7 14 127 254 889 1778 471139 942278 3297973 6595946 59834653 119669306 418842571 837685142