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10605138 = 231767523
BaseRepresentation
bin101000011101…
…001001010010
3201221210111220
4220131021102
510203331023
61015145510
7156066525
oct50351122
921853456
1010605138
115a93885
123675296
13227413b
1415a0bbc
15de73e3
hexa1d252

10605138 has 8 divisors (see below), whose sum is σ = 21210288. Its totient is φ = 3535044.

The previous prime is 10605137. The next prime is 10605143. The reversal of 10605138 is 83150601.

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

10605138 is an admirable number.

It is a super-2 number, since 2×106051382 = 224937903998088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10605137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883756 + ... + 883767.

It is an arithmetic number, because the mean of its divisors is an integer number (2651286).

Almost surely, 210605138 is an apocalyptic number.

10605138 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.

10605138 is a wasteful number, since it uses less digits than its factorization.

10605138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767528.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10605138 is about 3256.5530857027. The cubic root of 10605138 is about 219.7044101889.

Adding to 10605138 its reverse (83150601), we get a palindrome (93755739).

The spelling of 10605138 in words is "ten million, six hundred five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 1767523 3535046 5302569 10605138