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103210423 = 444723209
BaseRepresentation
bin1100010011011…
…01110110110111
321012012122002021
412021231312313
5202410213143
614124054011
72362163011
oct611556667
9235178067
10103210423
1153294578
122a694307
13184c8b74
14d9c91b1
1590daced
hex626ddb7

103210423 has 4 divisors (see below), whose sum is σ = 103238080. Its totient is φ = 103182768.

The previous prime is 103210409. The next prime is 103210483. The reversal of 103210423 is 324012301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103210423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103210397 and 103210406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103210403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7158 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (25809520).

Almost surely, 2103210423 is an apocalyptic number.

103210423 is a deficient number, since it is larger than the sum of its proper divisors (27657).

103210423 is an equidigital number, since it uses as much as digits as its factorization.

103210423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27656.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103210423 is about 10159.2530729380. The cubic root of 103210423 is about 469.0738105608.

Adding to 103210423 its reverse (324012301), we get a palindrome (427222724).

The spelling of 103210423 in words is "one hundred three million, two hundred ten thousand, four hundred twenty-three".

Divisors: 1 4447 23209 103210423