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7760729025 = 3252728392
BaseRepresentation
bin1110011101001001…
…10101001111000001
3202000212011212211100
413032210311033001
5111343221312100
63322031205013
7363214052100
oct71644651701
922025155740
107760729025
113322802645
121607076769
13968ab906a
145389c2037
153064d5400
hex1ce9353c1

7760729025 has 81 divisors (see below), whose sum is σ = 16189064931. Its totient is φ = 3543533280.

The previous prime is 7760729017. The next prime is 7760729027. The reversal of 7760729025 is 5209270677.

The square root of 7760729025 is 88095.

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

7760729025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2793862449 + 4966866576 = 52857^2 + 70476^2 .

It is not a de Polignac number, because 7760729025 - 23 = 7760729017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7760729027) 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 80 ways as a sum of consecutive naturals, for example, 9249556 + ... + 9250394.

Almost surely, 27760729025 is an apocalyptic number.

7760729025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7760729025 is the 88095-th square number.

7760729025 is the 44048-th centered octagonal number.

It is an amenable number.

7760729025 is an abundant number, since it is smaller than the sum of its proper divisors (8428335906).

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

7760729025 is an equidigital number, since it uses as much as digits as its factorization.

7760729025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The cubic root of 7760729025 is about 1979.8585948908.

The spelling of 7760729025 in words is "seven billion, seven hundred sixty million, seven hundred twenty-nine thousand, twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 49 63 75 105 147 175 225 245 315 441 525 735 839 1225 1575 2205 2517 3675 4195 5873 7551 11025 12585 17619 20975 29365 37755 41111 52857 62925 88095 123333 146825 188775 205555 264285 369999 440475 616665 703921 1027775 1321425 1849995 2111763 3083325 3519605 4927447 6335289 9249975 10558815 14782341 17598025 24637235 31676445 34492129 44347023 52794075 73911705 103476387 123186175 158382225 172460645 221735115 310429161 369558525 517381935 862303225 1108675575 1552145805 2586909675 7760729025