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1400485105 = 5280097021
BaseRepresentation
bin101001101111001…
…1011010011110001
310121121021000101201
41103132123103301
510332011010410
6350545131201
746463632645
oct12336332361
93547230351
101400485105
116595a0208
12331029b01
131941bb516
14d3ddac25
1582e3d83a
hex5379b4f1

1400485105 has 4 divisors (see below), whose sum is σ = 1680582132. Its totient is φ = 1120388080.

The previous prime is 1400485067. The next prime is 1400485159. The reversal of 1400485105 is 5015840041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412577344 + 987907761 = 20312^2 + 31431^2 .

It is not a de Polignac number, because 1400485105 - 27 = 1400484977 is a prime.

It is a super-2 number, since 2×14004851052 = 3922717058653722050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140048506 + ... + 140048515.

It is an arithmetic number, because the mean of its divisors is an integer number (420145533).

Almost surely, 21400485105 is an apocalyptic number.

It is an amenable number.

1400485105 is a deficient number, since it is larger than the sum of its proper divisors (280097027).

1400485105 is an equidigital number, since it uses as much as digits as its factorization.

1400485105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280097026.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1400485105 is about 37423.0557945232. The cubic root of 1400485105 is about 1118.8181370650.

The spelling of 1400485105 in words is "one billion, four hundred million, four hundred eighty-five thousand, one hundred five".

Divisors: 1 5 280097021 1400485105