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2648401090 = 25264840109
BaseRepresentation
bin1001110111011011…
…0110010011000010
320211120102201022021
42131312312103002
520410442313330
61114444232054
7122426015656
oct23566662302
96746381267
102648401090
111139a53a35
1261ab3b62a
133328bb64a
141b1a40a66
1510779167a
hex9ddb64c2

2648401090 has 8 divisors (see below), whose sum is σ = 4767121980. Its totient is φ = 1059360432.

The previous prime is 2648401061. The next prime is 2648401099. The reversal of 2648401090 is 901048462.

It can be written as a sum of positive squares in 2 ways, for example, as 2253305961 + 395095129 = 47469^2 + 19877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2648401099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132420045 + ... + 132420064.

Almost surely, 22648401090 is an apocalyptic number.

2648401090 is a deficient number, since it is larger than the sum of its proper divisors (2118720890).

2648401090 is a wasteful number, since it uses less digits than its factorization.

2648401090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264840116.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2648401090 is about 51462.6183748942. The cubic root of 2648401090 is about 1383.5491312185.

The spelling of 2648401090 in words is "two billion, six hundred forty-eight million, four hundred one thousand, ninety".

Divisors: 1 2 5 10 264840109 529680218 1324200545 2648401090