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10527990 = 2351161523
BaseRepresentation
bin101000001010…
…010011110110
3201210212200120
4220022103312
510143343430
61013352410
7155325564
oct50122366
921725616
1010527990
115a40920
123638706
132247ca5
141580a34
15dce610
hexa0a4f6

10527990 has 64 divisors (see below), whose sum is σ = 28069632. Its totient is φ = 2505600.

The previous prime is 10527989. The next prime is 10528031. The reversal of 10527990 is 9972501.

It is a super-2 number, since 2×105279902 = 221677146880200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19869 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (438588).

Almost surely, 210527990 is an apocalyptic number.

10527990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10527990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14034816).

10527990 is an abundant number, since it is smaller than the sum of its proper divisors (17541642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10527990 is a wasteful number, since it uses less digits than its factorization.

10527990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 10527990 is about 3244.6864255271. The cubic root of 10527990 is about 219.1703601344.

The spelling of 10527990 in words is "ten million, five hundred twenty-seven thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 61 66 110 122 165 183 305 330 366 523 610 671 915 1046 1342 1569 1830 2013 2615 3138 3355 4026 5230 5753 6710 7845 10065 11506 15690 17259 20130 28765 31903 34518 57530 63806 86295 95709 159515 172590 191418 319030 350933 478545 701866 957090 1052799 1754665 2105598 3509330 5263995 10527990