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10812290 = 251081229
BaseRepresentation
bin101001001111…
…101110000010
3202100022200012
4221033232002
510231443130
61023424522
7160621466
oct51175602
922308605
1010812290
116115485
123755142
132317508
1416164a6
15e38995
hexa4fb82

10812290 has 8 divisors (see below), whose sum is σ = 19462140. Its totient is φ = 4324912.

The previous prime is 10812283. The next prime is 10812317. The reversal of 10812290 is 9221801.

10812290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10804369 + 7921 = 3287^2 + 89^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540605 + ... + 540624.

Almost surely, 210812290 is an apocalyptic number.

10812290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10812290 is a deficient number, since it is larger than the sum of its proper divisors (8649850).

10812290 is a wasteful number, since it uses less digits than its factorization.

10812290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081236.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10812290 is about 3288.2046773277. The cubic root of 10812290 is about 221.1257039620.

The spelling of 10812290 in words is "ten million, eight hundred twelve thousand, two hundred ninety".

Divisors: 1 2 5 10 1081229 2162458 5406145 10812290