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1444400675 = 5266187407
BaseRepresentation
bin101011000010111…
…1100111000100011
310201122220011020022
41112011330320203
510424231310200
6355154304055
750536126454
oct12605747043
93648804208
101444400675
11681365673
1234388802b
131a0326373
14d9b8d12b
1586c15885
hex5617ce23

1444400675 has 12 divisors (see below), whose sum is σ = 1793786976. Its totient is φ = 1153759200.

The previous prime is 1444400609. The next prime is 1444400693. The reversal of 1444400675 is 5760044441.

It is not a de Polignac number, because 1444400675 - 210 = 1444399651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27179 + ... + 60228.

It is an arithmetic number, because the mean of its divisors is an integer number (149482248).

Almost surely, 21444400675 is an apocalyptic number.

1444400675 is a deficient number, since it is larger than the sum of its proper divisors (349386301).

1444400675 is an equidigital number, since it uses as much as digits as its factorization.

1444400675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88078 (or 88073 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 1444400675 is about 38005.2716738086. The cubic root of 1444400675 is about 1130.3923964196.

The spelling of 1444400675 in words is "one billion, four hundred forty-four million, four hundred thousand, six hundred seventy-five".

Divisors: 1 5 25 661 3305 16525 87407 437035 2185175 57776027 288880135 1444400675