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10712125 = 5317712
BaseRepresentation
bin101000110111…
…010000111101
3202011020021101
4220313100331
510220242000
61021333101
7160023454
oct50672075
922136241
1010712125
1160571a6
123707191
1322b0a48
1415cbb9b
15e18e6a
hexa3743d

10712125 has 24 divisors (see below), whose sum is σ = 14357304. Its totient is φ = 7952000.

The previous prime is 10712113. The next prime is 10712137. The reversal of 10712125 is 52121701.

It is an interprime number because it is at equal distance from previous prime (10712113) and next prime (10712137).

It can be written as a sum of positive squares in 4 ways, for example, as 45369 + 10666756 = 213^2 + 3266^2 .

It is not a de Polignac number, because 10712125 - 221 = 8614973 is a prime.

It is a super-2 number, since 2×107121252 = 229499244031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150840 + ... + 150910.

It is an arithmetic number, because the mean of its divisors is an integer number (598221).

Almost surely, 210712125 is an apocalyptic number.

It is an amenable number.

10712125 is a deficient number, since it is larger than the sum of its proper divisors (3645179).

10712125 is an frugal number, since it uses more digits than its factorization.

10712125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 93 counting only the distinct ones).

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

The square root of 10712125 is about 3272.9382823390. The cubic root of 10712125 is about 220.4407486446.

Adding to 10712125 its reverse (52121701), we get a palindrome (62833826).

The spelling of 10712125 in words is "ten million, seven hundred twelve thousand, one hundred twenty-five".

Divisors: 1 5 17 25 71 85 125 355 425 1207 1775 2125 5041 6035 8875 25205 30175 85697 126025 150875 428485 630125 2142425 10712125