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23102210 = 252310221
BaseRepresentation
bin101100000100…
…0001100000010
31121110201021102
41120020030002
521403232320
62143054402
7400236245
oct130101402
947421242
1023102210
111204a03a
1278a1402
134a2b461
1430d525c
152065175
hex1608302

23102210 has 8 divisors (see below), whose sum is σ = 41583996. Its totient is φ = 9240880.

The previous prime is 23102141. The next prime is 23102213. The reversal of 23102210 is 1220132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21077281 + 2024929 = 4591^2 + 1423^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23102191 and 23102200.

It is not an unprimeable number, because it can be changed into a prime (23102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155101 + ... + 1155120.

Almost surely, 223102210 is an apocalyptic number.

23102210 is a deficient number, since it is larger than the sum of its proper divisors (18481786).

23102210 is a wasteful number, since it uses less digits than its factorization.

23102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310228.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23102210 is about 4806.4758399476. The cubic root of 23102210 is about 284.8073387543.

Adding to 23102210 its reverse (1220132), we get a palindrome (24322342).

The spelling of 23102210 in words is "twenty-three million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 2310221 4620442 11551105 23102210