Search a number
-
+
2873281092 = 22311167130343
BaseRepresentation
bin1010101101000010…
…1100101001000100
321102020120210200020
42223100230221010
521341024443332
61153040215140
7131126325543
oct25320545104
97366523606
102873281092
11124498a680
1268230a4b0
1336a377336
141d385c15a
1511c3b282c
hexab42ca44

2873281092 has 48 divisors (see below), whose sum is σ = 7357658112. Its totient is φ = 865470880.

The previous prime is 2873281069. The next prime is 2873281193. The reversal of 2873281092 is 2901823782.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 43128 + ... + 87215.

It is an arithmetic number, because the mean of its divisors is an integer number (153284544).

Almost surely, 22873281092 is an apocalyptic number.

2873281092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2873281092 is an abundant number, since it is smaller than the sum of its proper divisors (4484377020).

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

2873281092 is a wasteful number, since it uses less digits than its factorization.

2873281092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130528 (or 130526 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2873281092 is about 53602.9951775085. The cubic root of 2873281092 is about 1421.6500510711.

It can be divided in two parts, 287328 and 1092, that added together give a triangular number (288420 = T759).

The spelling of 2873281092 in words is "two billion, eight hundred seventy-three million, two hundred eighty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 167 334 501 668 1002 1837 2004 3674 5511 7348 11022 22044 130343 260686 391029 521372 782058 1433773 1564116 2867546 4301319 5735092 8602638 17205276 21767281 43534562 65301843 87069124 130603686 239440091 261207372 478880182 718320273 957760364 1436640546 2873281092