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318194244 = 22349912
BaseRepresentation
bin10010111101110…
…100001001000100
3211011201221110000
4102331310021010
51122424203434
651324001300
710612415004
oct2275641104
9734657400
10318194244
11153681055
128a690230
1350bcb324
143038c004
151ce04b99
hex12f74244

318194244 has 45 divisors (see below), whose sum is σ = 832662831. Its totient is φ = 105957720.

The previous prime is 318194209. The next prime is 318194269. The reversal of 318194244 is 442491813.

It is a happy number.

The square root of 318194244 is 17838.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 318194199 and 318194208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 320589 + ... + 321579.

Almost surely, 2318194244 is an apocalyptic number.

318194244 is the 17838-th square number.

It is an amenable number.

318194244 is an abundant number, since it is smaller than the sum of its proper divisors (514468587).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318194244 is an frugal number, since it uses more digits than its factorization.

318194244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998 (or 996 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The cubic root of 318194244 is about 682.7013679455.

Multiplying 318194244 by its sum of digits (36), we get a square (11454992784 = 1070282).

318194244 divided by its sum of digits (36) gives a square (8838729 = 29732).

It can be divided in two parts, 31819 and 4244, that added together give a palindrome (36063).

The spelling of 318194244 in words is "three hundred eighteen million, one hundred ninety-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 991 1982 2973 3964 5946 8919 11892 17838 26757 35676 53514 80271 107028 160542 321084 982081 1964162 2946243 3928324 5892486 8838729 11784972 17677458 26516187 35354916 53032374 79548561 106064748 159097122 318194244