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10125271 = 131940993
BaseRepresentation
bin100110100111…
…111111010111
3201001102021001
4212213333113
510043002041
61001004131
7152030512
oct46477727
921042231
1010125271
1157962a2
123483647
1321368b0
1414b7d79
15d50131
hex9a7fd7

10125271 has 8 divisors (see below), whose sum is σ = 11478320. Its totient is φ = 8854272.

The previous prime is 10125197. The next prime is 10125277. The reversal of 10125271 is 17252101.

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

It is a cyclic number.

It is not a de Polignac number, because 10125271 - 29 = 10124759 is a prime.

It is a super-2 number, since 2×101252712 = 205042225646882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10125277) 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 7 ways as a sum of consecutive naturals, for example, 20250 + ... + 20743.

It is an arithmetic number, because the mean of its divisors is an integer number (1434790).

Almost surely, 210125271 is an apocalyptic number.

10125271 is a deficient number, since it is larger than the sum of its proper divisors (1353049).

10125271 is a wasteful number, since it uses less digits than its factorization.

10125271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41025.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 10125271 is about 3182.0230985962. The cubic root of 10125271 is about 216.3393656505.

Adding to 10125271 its reverse (17252101), we get a palindrome (27377372).

The spelling of 10125271 in words is "ten million, one hundred twenty-five thousand, two hundred seventy-one".

Divisors: 1 13 19 247 40993 532909 778867 10125271