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10320232 = 231399233
BaseRepresentation
bin100111010111…
…100101101000
3201102022200211
4213113211220
510120221412
61005110504
7153502066
oct47274550
921368624
1010320232
11590981a
123558434
1321a4560
141529036
15d8cca7
hex9d7968

10320232 has 16 divisors (see below), whose sum is σ = 20839140. Its totient is φ = 4763136.

The previous prime is 10320227. The next prime is 10320253. The reversal of 10320232 is 23202301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 2735716 = 2754^2 + 1654^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

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, 49513 + ... + 49720.

Almost surely, 210320232 is an apocalyptic number.

It is an amenable number.

10320232 is an abundant number, since it is smaller than the sum of its proper divisors (10518908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10320232 is a wasteful number, since it uses less digits than its factorization.

10320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99252 (or 99248 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 10320232 is about 3212.5117898616. The cubic root of 10320232 is about 217.7190781528.

Adding to 10320232 its reverse (23202301), we get a palindrome (33522533).

The spelling of 10320232 in words is "ten million, three hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 99233 198466 396932 793864 1290029 2580058 5160116 10320232