Search a number
-
+
468393146 = 213171059713
BaseRepresentation
bin11011111010110…
…001110010111010
31012122100211121022
4123322301302322
51424402040041
6114251142442
714415163454
oct3372616272
91178324538
10468393146
11220439781
12110a44a22
1376069910
14462c92d4
152b1c324b
hex1beb1cba

468393146 has 16 divisors (see below), whose sum is σ = 801143784. Its totient is φ = 203464704.

The previous prime is 468393139. The next prime is 468393151. The reversal of 468393146 is 641393864.

It can be written as a sum of positive squares in 4 ways, for example, as 227677921 + 240715225 = 15089^2 + 15515^2 .

It is a junction number, because it is equal to n+sod(n) for n = 468393097 and 468393106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529415 + ... + 530298.

Almost surely, 2468393146 is an apocalyptic number.

468393146 is a deficient number, since it is larger than the sum of its proper divisors (332750638).

468393146 is a wasteful number, since it uses less digits than its factorization.

468393146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059745.

The product of its digits is 373248, while the sum is 44.

The square root of 468393146 is about 21642.3923354143. The cubic root of 468393146 is about 776.6109514045.

The spelling of 468393146 in words is "four hundred sixty-eight million, three hundred ninety-three thousand, one hundred forty-six".

Divisors: 1 2 13 17 26 34 221 442 1059713 2119426 13776269 18015121 27552538 36030242 234196573 468393146