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10237985 = 52047597
BaseRepresentation
bin100111000011…
…100000100001
3201021010212122
4213003200201
510110103420
61003234025
7153010232
oct47034041
921233778
1010237985
115862a4a
123518915
132175ca4
141507089
15d73725
hex9c3821

10237985 has 4 divisors (see below), whose sum is σ = 12285588. Its totient is φ = 8190384.

The previous prime is 10237949. The next prime is 10237991. The reversal of 10237985 is 58973201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 8579041 = 1288^2 + 2929^2 .

It is a cyclic number.

It is not a de Polignac number, because 10237985 - 212 = 10233889 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 1023794 + ... + 1023803.

It is an arithmetic number, because the mean of its divisors is an integer number (3071397).

Almost surely, 210237985 is an apocalyptic number.

It is an amenable number.

10237985 is a deficient number, since it is larger than the sum of its proper divisors (2047603).

10237985 is an equidigital number, since it uses as much as digits as its factorization.

10237985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047602.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 10237985 is about 3199.6851407599. The cubic root of 10237985 is about 217.1391647695.

The spelling of 10237985 in words is "ten million, two hundred thirty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 2047597 10237985