Search a number
-
+
1440846130 = 25247758169
BaseRepresentation
bin101010111100001…
…1001000100110010
310201102012120022111
41111320121010302
510422324034010
6354550155534
750463663403
oct12570310462
93642176274
101440846130
1167a358029
12342652baa
1319c680499
14d95059aa
158676258a
hex55e19132

1440846130 has 16 divisors (see below), whose sum is σ = 2594614680. Its totient is φ = 576095872.

The previous prime is 1440846083. The next prime is 1440846191. The reversal of 1440846130 is 316480441.

It can be written as a sum of positive squares in 4 ways, for example, as 1025216361 + 415629769 = 32019^2 + 20387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1440846092 and 1440846101.

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, 4315 + ... + 53854.

Almost surely, 21440846130 is an apocalyptic number.

1440846130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440846130 is a deficient number, since it is larger than the sum of its proper divisors (1153768550).

1440846130 is a wasteful number, since it uses less digits than its factorization.

1440846130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60653.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1440846130 is about 37958.4790264310. The cubic root of 1440846130 is about 1129.4643687994.

The spelling of 1440846130 in words is "one billion, four hundred forty million, eight hundred forty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 2477 4954 12385 24770 58169 116338 290845 581690 144084613 288169226 720423065 1440846130