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10385971 = 29335447
BaseRepresentation
bin100111100111…
…101000110011
3201112122212121
4213213220303
510124322341
61010335111
7154164541
oct47475063
921478777
1010385971
115954152
12358a497
1321c845b
141544d91
15da24d1
hex9e7a33

10385971 has 4 divisors (see below), whose sum is σ = 10421712. Its totient is φ = 10350232.

The previous prime is 10385959. The next prime is 10386001. The reversal of 10385971 is 17958301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10385971 - 25 = 10385939 is a prime.

It is a super-2 number, since 2×103859712 = 215736787225682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10385371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17431 + ... + 18016.

It is an arithmetic number, because the mean of its divisors is an integer number (2605428).

Almost surely, 210385971 is an apocalyptic number.

10385971 is a deficient number, since it is larger than the sum of its proper divisors (35741).

10385971 is an equidigital number, since it uses as much as digits as its factorization.

10385971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35740.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 10385971 is about 3222.7272611873. The cubic root of 10385971 is about 218.1803840447.

The spelling of 10385971 in words is "ten million, three hundred eighty-five thousand, nine hundred seventy-one".

Divisors: 1 293 35447 10385971