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10666450 = 252213329
BaseRepresentation
bin101000101100…
…000111010010
3202001220121201
4220230013102
510212311300
61020341414
7156443344
oct50540722
922056551
1010666450
116025953
1236a486a
132296012
1415b9294
15e0a66a
hexa2c1d2

10666450 has 12 divisors (see below), whose sum is σ = 19839690. Its totient is φ = 4266560.

The previous prime is 10666441. The next prime is 10666459. The reversal of 10666450 is 5466601.

It is an interprime number because it is at equal distance from previous prime (10666441) and next prime (10666459).

It can be written as a sum of positive squares in 3 ways, for example, as 9418761 + 1247689 = 3069^2 + 1117^2 .

It is a super-2 number, since 2×106664502 = 227546311205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106615 + ... + 106714.

Almost surely, 210666450 is an apocalyptic number.

10666450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10666450 is a deficient number, since it is larger than the sum of its proper divisors (9173240).

10666450 is a wasteful number, since it uses less digits than its factorization.

10666450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213341 (or 213336 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 10666450 is about 3265.9531533689. The cubic root of 10666450 is about 220.1269927963.

The spelling of 10666450 in words is "ten million, six hundred sixty-six thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 213329 426658 1066645 2133290 5333225 10666450