Search a number
-
+
2736457940 = 225136822897
BaseRepresentation
bin1010001100011011…
…0000100011010100
321001201010110121002
42203012300203110
521101013123230
61131311442432
7124545336326
oct24306604324
97051113532
102736457940
111184728397
12644526418
13347c0cca8
141bd603616
15110387545
hexa31b08d4

2736457940 has 12 divisors (see below), whose sum is σ = 5746561716. Its totient is φ = 1094583168.

The previous prime is 2736457939. The next prime is 2736457963. The reversal of 2736457940 is 497546372.

It can be written as a sum of positive squares in 2 ways, for example, as 1352915524 + 1383542416 = 36782^2 + 37196^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 68411429 + ... + 68411468.

It is an arithmetic number, because the mean of its divisors is an integer number (478880143).

Almost surely, 22736457940 is an apocalyptic number.

2736457940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2736457940 is an abundant number, since it is smaller than the sum of its proper divisors (3010103776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2736457940 is a wasteful number, since it uses less digits than its factorization.

2736457940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136822906 (or 136822904 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 2736457940 is about 52311.1645827160. The cubic root of 2736457940 is about 1398.7161597762.

The spelling of 2736457940 in words is "two billion, seven hundred thirty-six million, four hundred fifty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 136822897 273645794 547291588 684114485 1368228970 2736457940