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10529990 = 2519157353
BaseRepresentation
bin101000001010…
…110011000110
3201210222102122
4220022303012
510143424430
61013405542
7155334452
oct50126306
921728378
1010529990
115a42379
1236398b2
132248b83
141581662
15dceee5
hexa0acc6

10529990 has 32 divisors (see below), whose sum is σ = 20135520. Its totient is φ = 3953664.

The previous prime is 10529983. The next prime is 10529993. The reversal of 10529990 is 9992501.

It is a super-2 number, since 2×105299902 = 221761378800200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10529990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10529993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29654 + ... + 30006.

It is an arithmetic number, because the mean of its divisors is an integer number (629235).

Almost surely, 210529990 is an apocalyptic number.

10529990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10529990 is a deficient number, since it is larger than the sum of its proper divisors (9605530).

10529990 is a wasteful number, since it uses less digits than its factorization.

10529990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 10529990 is about 3244.9946070833. The cubic root of 10529990 is about 219.1842378378.

Adding to 10529990 its sum of digits (35), we get a square (10530025 = 32452).

The spelling of 10529990 in words is "ten million, five hundred twenty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 38 95 157 190 314 353 706 785 1570 1765 2983 3530 5966 6707 13414 14915 29830 33535 55421 67070 110842 277105 554210 1052999 2105998 5264995 10529990