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10390450 = 252724241
BaseRepresentation
bin100111101000…
…101110110010
3201112220000111
4213220232302
510124443300
61010411534
7154213600
oct47505662
921486014
1010390450
115957554
123590baa
1321ca4c5
141546870
15da39ba
hex9e8bb2

10390450 has 36 divisors (see below), whose sum is σ = 22486842. Its totient is φ = 3561600.

The previous prime is 10390423. The next prime is 10390459. The reversal of 10390450 is 5409301.

It can be written as a sum of positive squares in 3 ways, for example, as 9966649 + 423801 = 3157^2 + 651^2 .

It is a super-2 number, since 2×103904502 = 215922902405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10390459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 330 + ... + 4570.

Almost surely, 210390450 is an apocalyptic number.

10390450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10390450 is an abundant number, since it is smaller than the sum of its proper divisors (12096392).

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

10390450 is a wasteful number, since it uses less digits than its factorization.

10390450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 10390450 is about 3223.4220946069. The cubic root of 10390450 is about 218.2117433175.

Adding to 10390450 its reverse (5409301), we get a palindrome (15799751).

The spelling of 10390450 in words is "ten million, three hundred ninety thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 4241 8482 21205 29687 42410 59374 106025 148435 207809 212050 296870 415618 742175 1039045 1484350 2078090 5195225 10390450