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1444347914 = 21758577253
BaseRepresentation
bin101011000010111…
…0000000000001010
310201122210110212012
41112011300000022
510424223113124
6355153215522
750535516602
oct12605600012
93648713765
101444347914
11681329a69
123438615a2
131a0308349
14d9b77c02
1586c04e0e
hex5617000a

1444347914 has 16 divisors (see below), whose sum is σ = 2294672328. Its totient is φ = 679483392.

The previous prime is 1444347911. The next prime is 1444347943. The reversal of 1444347914 is 4197434441.

It can be written as a sum of positive squares in 4 ways, for example, as 1412481889 + 31866025 = 37583^2 + 5645^2 .

It is a super-2 number, since 2×14443479142 = 4172281793352302792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1444347911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195512 + ... + 202764.

Almost surely, 21444347914 is an apocalyptic number.

1444347914 is a deficient number, since it is larger than the sum of its proper divisors (850324414).

1444347914 is a wasteful number, since it uses less digits than its factorization.

1444347914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129.

The product of its digits is 193536, while the sum is 41.

The square root of 1444347914 is about 38004.5775400806. The cubic root of 1444347914 is about 1130.3786326119.

The spelling of 1444347914 in words is "one billion, four hundred forty-four million, three hundred forty-seven thousand, nine hundred fourteen".

Divisors: 1 2 17 34 5857 7253 11714 14506 99569 123301 199138 246602 42480821 84961642 722173957 1444347914