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88479477025 = 5241214512
BaseRepresentation
bin101001001100111001…
…0011010110100100001
322110101021202010201121
41102121302122310201
52422201221231100
6104351422132241
76251414100652
oct1223162326441
9273337663647
1088479477025
11345843a3735
1215193721081
138460ac5844
1443d4db5529
15247cb2b51a
hex1499c9ad21

88479477025 has 27 divisors (see below), whose sum is σ = 112533339289. Its totient is φ = 69009560000.

The previous prime is 88479477017. The next prime is 88479477067. The reversal of 88479477025 is 52077497488.

The square root of 88479477025 is 297455.

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

It can be written as a sum of positive squares in 4 ways, for example, as 37242438289 + 51237038736 = 192983^2 + 226356^2 .

It is not a de Polignac number, because 88479477025 - 23 = 88479477017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 60977550 + ... + 60979000.

Almost surely, 288479477025 is an apocalyptic number.

88479477025 is the 297455-th square number.

88479477025 is the 148728-th centered octagonal number.

It is an amenable number.

88479477025 is a deficient number, since it is larger than the sum of its proper divisors (24053862264).

88479477025 is an frugal number, since it uses more digits than its factorization.

88479477025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 61.

It can be divided in two parts, 88479 and 477025, that added together give a square (565504 = 7522).

The spelling of 88479477025 in words is "eighty-eight billion, four hundred seventy-nine million, four hundred seventy-seven thousand, twenty-five".

Divisors: 1 5 25 41 205 1025 1451 1681 7255 8405 36275 42025 59491 297455 1487275 2105401 2439131 10527005 12195655 52635025 60978275 86321441 431607205 2158036025 3539179081 17695895405 88479477025