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10689290 = 251517079
BaseRepresentation
bin101000110001…
…101100001010
3202010001221122
4220301230022
510214024130
61021035242
7156600053
oct50615412
922101848
1010689290
116041027
1236b5b22
1322a3531
1415c372a
15e122e5
hexa31b0a

10689290 has 16 divisors (see below), whose sum is σ = 19370880. Its totient is φ = 4246800.

The previous prime is 10689271. The next prime is 10689293. The reversal of 10689290 is 9298601.

It is a super-2 number, since 2×106892902 = 228521841408200, 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 10689290.

It is not an unprimeable number, because it can be changed into a prime (10689293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030 + ... + 5049.

It is an arithmetic number, because the mean of its divisors is an integer number (1210680).

Almost surely, 210689290 is an apocalyptic number.

10689290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10689290 is a deficient number, since it is larger than the sum of its proper divisors (8681590).

10689290 is a wasteful number, since it uses less digits than its factorization.

10689290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10689290 is about 3269.4479656358. The cubic root of 10689290 is about 220.2839996162.

The spelling of 10689290 in words is "ten million, six hundred eighty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 151 302 755 1510 7079 14158 35395 70790 1068929 2137858 5344645 10689290