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10219201 = 30793319
BaseRepresentation
bin100110111110…
…111011000001
3201020012002221
4212332323001
510104003301
61003011041
7152601406
oct46767301
921205087
1010219201
11584a923
123509a81
13216a585
1415002ad
15d6cda1
hex9beec1

10219201 has 4 divisors (see below), whose sum is σ = 10225600. Its totient is φ = 10212804.

The previous prime is 10219171. The next prime is 10219211. The reversal of 10219201 is 10291201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10291201 = 29354869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10219201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10219211) 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, 1420 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (2556400).

Almost surely, 210219201 is an apocalyptic number.

It is an amenable number.

10219201 is a deficient number, since it is larger than the sum of its proper divisors (6399).

10219201 is an equidigital number, since it uses as much as digits as its factorization.

10219201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 10219201 is about 3196.7485043400. The cubic root of 10219201 is about 217.0062857870.

The spelling of 10219201 in words is "ten million, two hundred nineteen thousand, two hundred one".

Divisors: 1 3079 3319 10219201