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1038138 = 23173023
BaseRepresentation
bin11111101011100111010
31221202001120
43331130322
5231210023
634130110
711552433
oct3753472
91852046
101038138
11649a72
12420936
132a46aa
141d048a
151578e3
hexfd73a

1038138 has 8 divisors (see below), whose sum is σ = 2076288. Its totient is φ = 346044.

The previous prime is 1038127. The next prime is 1038143. The reversal of 1038138 is 8318301.

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

1038138 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86506 + ... + 86517.

It is an arithmetic number, because the mean of its divisors is an integer number (259536).

21038138 is an apocalyptic number.

1038138 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.

1038138 is a wasteful number, since it uses less digits than its factorization.

1038138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173028.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1038138 is about 1018.8905731235. The cubic root of 1038138 is about 101.2554394273.

It can be divided in two parts, 1038 and 138, that added together give a triangular number (1176 = T48).

The spelling of 1038138 in words is "one million, thirty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 173023 346046 519069 1038138