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10083971 = 61165311
BaseRepresentation
bin100110011101…
…111010000011
3200222022121102
4212131322003
510040141341
61000045015
7151466222
oct46357203
920868542
1010083971
115768267
12346376b
132120b61
1414a6cb9
15d42c9b
hex99de83

10083971 has 4 divisors (see below), whose sum is σ = 10249344. Its totient is φ = 9918600.

The previous prime is 10083949. The next prime is 10083977. The reversal of 10083971 is 17938001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17938001 = 61928979.

It is a de Polignac number, because none of the positive numbers 2k-10083971 is a prime.

It is a super-2 number, since 2×100839712 = 203372942257682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10083977) 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 3 ways as a sum of consecutive naturals, for example, 82595 + ... + 82716.

It is an arithmetic number, because the mean of its divisors is an integer number (2562336).

Almost surely, 210083971 is an apocalyptic number.

10083971 is a deficient number, since it is larger than the sum of its proper divisors (165373).

10083971 is an equidigital number, since it uses as much as digits as its factorization.

10083971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165372.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 10083971 is about 3175.5268854160. The cubic root of 10083971 is about 216.0448223740.

The spelling of 10083971 in words is "ten million, eighty-three thousand, nine hundred seventy-one".

Divisors: 1 61 165311 10083971