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2438285641 = 112674
BaseRepresentation
bin1001000101010101…
…0100100101001001
320021221001202002121
42101111110211021
514443200120031
61041540531241
7114265041331
oct22125244511
96257052077
102438285641
111041392100
125806b0b21
132cb20208c
14191b880c1
15e40da011
hex91554949

2438285641 has 15 divisors (see below), whose sum is σ = 2720706653. Its totient is φ = 2183539380.

The previous prime is 2438285627. The next prime is 2438285657. The reversal of 2438285641 is 1465828342.

It is a happy number.

The square root of 2438285641 is 49379.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2438285641 - 25 = 2438285609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2438285141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 36392290 + ... + 36392356.

Almost surely, 22438285641 is an apocalyptic number.

2438285641 is the 49379-th square number.

2438285641 is the 24690-th centered octagonal number.

It is an amenable number.

2438285641 is a deficient number, since it is larger than the sum of its proper divisors (282421012).

2438285641 is an frugal number, since it uses more digits than its factorization.

2438285641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 78 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The cubic root of 2438285641 is about 1345.9477280043.

The spelling of 2438285641 in words is "two billion, four hundred thirty-eight million, two hundred eighty-five thousand, six hundred forty-one".

Divisors: 1 11 67 121 737 4489 8107 49379 300763 543169 3308393 20151121 36392323 221662331 2438285641