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283710696025 = 5230723472
BaseRepresentation
bin1000010000011100111…
…10011010101001011001
31000010022021201122111111
410020032132122221121
514122014414233100
6334200200500321
726332421061241
oct4101636325131
91003267648444
10283710696025
11aa359323109
1246b9a17a6a1
13209a51511c3
14da359c2b21
1575a75bd6ba
hex420e79aa59

283710696025 has 27 divisors (see below), whose sum is σ = 353971009119. Its totient is φ = 225577288080.

The previous prime is 283710696023. The next prime is 283710696121. The reversal of 283710696025 is 520696017382.

The square root of 283710696025 is 532645.

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

It can be written as a sum of positive squares in only one way, i.e., 102135850569 + 181574845456 = 319587^2 + 426116^2 .

It is not a de Polignac number, because 283710696025 - 21 = 283710696023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283710696025.

It is not an unprimeable number, because it can be changed into a prime (283710696023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 817609902 + ... + 817610248.

Almost surely, 2283710696025 is an apocalyptic number.

283710696025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

283710696025 is the 532645-th square number.

283710696025 is the 266323-rd centered octagonal number.

It is an amenable number.

283710696025 is a deficient number, since it is larger than the sum of its proper divisors (70260313094).

283710696025 is an frugal number, since it uses more digits than its factorization.

With its predecessor (283710696024) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (659).

283710696025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

Multiplying 283710696025 by its sum of digits (49), we get a square (13901824105225 = 37285152).

The spelling of 283710696025 in words is "two hundred eighty-three billion, seven hundred ten million, six hundred ninety-six thousand, twenty-five".

Divisors: 1 5 25 307 347 1535 1735 7675 8675 94249 106529 120409 471245 532645 602045 2356225 2663225 3010225 32704403 36965563 163522015 184827815 817610075 924139075 11348427841 56742139205 283710696025