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2949072231 = 374119317747
BaseRepresentation
bin1010111111000111…
…0100010101100111
321121112012101120110
42233301310111213
522014430302411
61204344504103
7133036462140
oct25761642547
97545171513
102949072231
111283746686
126a377b033
1337cc92a71
141dd94aac7
15123d842a6
hexafc74567

2949072231 has 32 divisors (see below), whose sum is σ = 4627542528. Its totient is φ = 1635471360.

The previous prime is 2949072223. The next prime is 2949072241. The reversal of 2949072231 is 1322709492.

It is not a de Polignac number, because 2949072231 - 23 = 2949072223 is a prime.

It is a super-2 number, since 2×29490722312 = 17394054047310634722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2949072231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949072211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157300 + ... + 175046.

It is an arithmetic number, because the mean of its divisors is an integer number (144610704).

Almost surely, 22949072231 is an apocalyptic number.

2949072231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2949072231 is a deficient number, since it is larger than the sum of its proper divisors (1678470297).

2949072231 is a wasteful number, since it uses less digits than its factorization.

2949072231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17991.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2949072231 is about 54305.3609784522. The cubic root of 2949072231 is about 1434.0417760822.

The spelling of 2949072231 in words is "two billion, nine hundred forty-nine million, seventy-two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 41 123 193 287 579 861 1351 4053 7913 17747 23739 53241 55391 124229 166173 372687 727627 2182881 3425171 5093389 10275513 15280167 23976197 71928591 140432011 421296033 983024077 2949072231