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10320229 = 731091297
BaseRepresentation
bin100111010111…
…100101100101
3201102022200201
4213113211211
510120221404
61005110501
7153502063
oct47274545
921368621
1010320229
115909817
123558431
1321a455a
141529033
15d8cca4
hex9d7965

10320229 has 8 divisors (see below), whose sum is σ = 10565720. Its totient is φ = 10077696.

The previous prime is 10320227. The next prime is 10320253. The reversal of 10320229 is 92202301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6260004 + 4060225 = 2502^2 + 2015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(10320229) divides (10320229-1)5.

It is a cyclic number.

It is not a de Polignac number, because 10320229 - 21 = 10320227 is a prime.

It is a super-2 number, since 2×103202292 = 213014253224882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7309 + ... + 8605.

It is an arithmetic number, because the mean of its divisors is an integer number (1320715).

Almost surely, 210320229 is an apocalyptic number.

It is an amenable number.

10320229 is a deficient number, since it is larger than the sum of its proper divisors (245491).

10320229 is a wasteful number, since it uses less digits than its factorization.

10320229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10320229 is about 3212.5113229372. The cubic root of 10320229 is about 217.7190570564.

The spelling of 10320229 in words is "ten million, three hundred twenty thousand, two hundred twenty-nine".

Divisors: 1 73 109 1297 7957 94681 141373 10320229