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102010223 = 714572889
BaseRepresentation
bin1100001010010…
…00110101101111
321002221122201102
412011020311233
5202103311343
614042233315
72346033620
oct605106557
9232848642
10102010223
1152644877
122a1b583b
13181987a3
14d795a47
158e503b8
hex6148d6f

102010223 has 4 divisors (see below), whose sum is σ = 116583120. Its totient is φ = 87437328.

The previous prime is 102010199. The next prime is 102010231. The reversal of 102010223 is 322010201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322010201 = 1129928499.

It is a cyclic number.

It is not a de Polignac number, because 102010223 - 218 = 101748079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010123) 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, 7286438 + ... + 7286451.

It is an arithmetic number, because the mean of its divisors is an integer number (29145780).

Almost surely, 2102010223 is an apocalyptic number.

102010223 is a deficient number, since it is larger than the sum of its proper divisors (14572897).

102010223 is an equidigital number, since it uses as much as digits as its factorization.

102010223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572896.

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

The square root of 102010223 is about 10100.0110395979. The cubic root of 102010223 is about 467.2484818620.

Adding to 102010223 its reverse (322010201), we get a palindrome (424020424).

The spelling of 102010223 in words is "one hundred two million, ten thousand, two hundred twenty-three".

Divisors: 1 7 14572889 102010223