Search a number
-
+
440204244 = 223374323057
BaseRepresentation
bin11010001111001…
…111101111010100
31010200022200200220
4122033033233110
51400143013434
6111403034340
713623450204
oct3217175724
91120280626
10440204244
11206535a67
1210350b9b0
137027a0ac
144266c404
15289a5d49
hex1a3cfbd4

440204244 has 48 divisors (see below), whose sum is σ = 1079483328. Its totient is φ = 139442688.

The previous prime is 440204231. The next prime is 440204257. The reversal of 440204244 is 442402044.

It is an interprime number because it is at equal distance from previous prime (440204231) and next prime (440204257).

It is a super-2 number, since 2×4402042442 = 387559552871223072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7564 + ... + 30620.

It is an arithmetic number, because the mean of its divisors is an integer number (22489236).

Almost surely, 2440204244 is an apocalyptic number.

It is an amenable number.

440204244 is an abundant number, since it is smaller than the sum of its proper divisors (639279084).

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

440204244 is a wasteful number, since it uses less digits than its factorization.

440204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23144 (or 23142 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 440204244 is about 20981.0448738856. The cubic root of 440204244 is about 760.7081603447.

Adding to 440204244 its reverse (442402044), we get a palindrome (882606288).

The spelling of 440204244 in words is "four hundred forty million, two hundred four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 37 43 74 86 111 129 148 172 222 258 444 516 1591 3182 4773 6364 9546 19092 23057 46114 69171 92228 138342 276684 853109 991451 1706218 1982902 2559327 2974353 3412436 3965804 5118654 5948706 10237308 11897412 36683687 73367374 110051061 146734748 220102122 440204244