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838057134 = 23139676189
BaseRepresentation
bin110001111100111…
…011110010101110
32011101221201021010
4301330323302232
53204020312014
6215054250050
726524240155
oct6174736256
92141851233
10838057134
113a0074802
121b47b6926
131048192c5
147d43459c
154d893359
hex31f3bcae

838057134 has 8 divisors (see below), whose sum is σ = 1676114280. Its totient is φ = 279352376.

The previous prime is 838057133. The next prime is 838057163. The reversal of 838057134 is 431750838.

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

838057134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 838057092 and 838057101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838057133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69838089 + ... + 69838100.

It is an arithmetic number, because the mean of its divisors is an integer number (209514285).

Almost surely, 2838057134 is an apocalyptic number.

838057134 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.

838057134 is a wasteful number, since it uses less digits than its factorization.

838057134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139676194.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 838057134 is about 28949.2164660807. The cubic root of 838057134 is about 942.8107863015.

The spelling of 838057134 in words is "eight hundred thirty-eight million, fifty-seven thousand, one hundred thirty-four".

Divisors: 1 2 3 6 139676189 279352378 419028567 838057134