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10725081 = 361103569
BaseRepresentation
bin101000111010…
…011011011001
3202011220001020
4220322123121
510221200311
61021513053
7160106313
oct50723331
922156036
1010725081
116065a04
123712789
1322b6903
1415d27b3
15e1cc06
hexa3a6d9

10725081 has 16 divisors (see below), whose sum is σ = 14701440. Its totient is φ = 6952320.

The previous prime is 10725073. The next prime is 10725097. The reversal of 10725081 is 18052701.

It is not a de Polignac number, because 10725081 - 23 = 10725073 is a prime.

It is a super-3 number, since 3×107250813 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10725881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18565 + ... + 19133.

It is an arithmetic number, because the mean of its divisors is an integer number (918840).

Almost surely, 210725081 is an apocalyptic number.

It is an amenable number.

10725081 is a deficient number, since it is larger than the sum of its proper divisors (3976359).

10725081 is a wasteful number, since it uses less digits than its factorization.

10725081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 10725081 is about 3274.9169455117. The cubic root of 10725081 is about 220.5295850390.

Adding to 10725081 its reverse (18052701), we get a palindrome (28777782).

The spelling of 10725081 in words is "ten million, seven hundred twenty-five thousand, eighty-one".

Divisors: 1 3 61 103 183 309 569 1707 6283 18849 34709 58607 104127 175821 3575027 10725081