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10287426 = 238871933
BaseRepresentation
bin100111001111…
…100101000010
3201100122200210
4213033211002
510113144201
61004254550
7153304332
oct47174502
921318623
1010287426
115897106
123541456
132192646
14151b0c2
15d831d6
hex9cf942

10287426 has 16 divisors (see below), whose sum is σ = 20608704. Its totient is φ = 3423504.

The previous prime is 10287401. The next prime is 10287439. The reversal of 10287426 is 62478201.

10287426 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102874262 = 211662267410952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10287393 and 10287402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (1288044).

Almost surely, 210287426 is an apocalyptic number.

10287426 is an abundant number, since it is smaller than the sum of its proper divisors (10321278).

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

10287426 is a wasteful number, since it uses less digits than its factorization.

10287426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 10287426 is about 3207.4017521976. The cubic root of 10287426 is about 217.4881378126.

The spelling of 10287426 in words is "ten million, two hundred eighty-seven thousand, four hundred twenty-six".

Divisors: 1 2 3 6 887 1774 1933 2661 3866 5322 5799 11598 1714571 3429142 5143713 10287426