Search a number
-
+
452123030 = 25713891637
BaseRepresentation
bin11010111100101…
…101100110010110
31011111202020012102
4122330231212112
51411220414110
6112510322102
714126660642
oct3274554626
91144666172
10452123030
112122367a7
121074b9332
1372891128
1444091c22
1529a5c5a5
hex1af2d996

452123030 has 32 divisors (see below), whose sum is σ = 827910720. Its totient is φ = 177735040.

The previous prime is 452123011. The next prime is 452123047. The reversal of 452123030 is 30321254.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 452122993 and 452123011.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 275372 + ... + 277008.

It is an arithmetic number, because the mean of its divisors is an integer number (25872210).

Almost surely, 2452123030 is an apocalyptic number.

452123030 is a deficient number, since it is larger than the sum of its proper divisors (375787690).

452123030 is a wasteful number, since it uses less digits than its factorization.

452123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 452123030 is about 21263.1848508167. The cubic root of 452123030 is about 767.5126517382.

Adding to 452123030 its reverse (30321254), we get a palindrome (482444284).

The spelling of 452123030 in words is "four hundred fifty-two million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 71 142 355 389 710 778 1637 1945 3274 3890 8185 16370 27619 55238 116227 138095 232454 276190 581135 636793 1162270 1273586 3183965 6367930 45212303 90424606 226061515 452123030