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423223124 = 22618919489
BaseRepresentation
bin11001001110011…
…101111101010100
31002111100221222112
4121032131331110
51331321114444
6105555050152
713326223442
oct3116357524
91074327875
10423223124
111a7997885
12b98a0958
13698b2aac
14402cbb92
152724e69e
hex1939df54

423223124 has 24 divisors (see below), whose sum is σ = 761279400. Its totient is φ = 205793280.

The previous prime is 423223123. The next prime is 423223127. The reversal of 423223124 is 421322324.

It can be written as a sum of positive squares in 4 ways, for example, as 64802500 + 358420624 = 8050^2 + 18932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423223124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423223123) 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 7 ways as a sum of consecutive naturals, for example, 11972 + ... + 31460.

It is an arithmetic number, because the mean of its divisors is an integer number (31719975).

Almost surely, 2423223124 is an apocalyptic number.

It is an amenable number.

423223124 is a deficient number, since it is larger than the sum of its proper divisors (338056276).

423223124 is a wasteful number, since it uses less digits than its factorization.

423223124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19643 (or 19641 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 423223124 is about 20572.3874161459. The cubic root of 423223124 is about 750.7980388405.

Adding to 423223124 its reverse (421322324), we get a palindrome (844545448).

The spelling of 423223124 in words is "four hundred twenty-three million, two hundred twenty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 61 89 122 178 244 356 5429 10858 19489 21716 38978 77956 1188829 1734521 2377658 3469042 4755316 6938084 105805781 211611562 423223124