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252245227790 = 25831312638821
BaseRepresentation
bin1110101011101011111…
…1001011100100001110
3220010002101220020122002
43222322333023210032
513113044234242130
6311514014352302
724136605026243
oct3527277134416
9803071806562
10252245227790
1197a81945106
1240a784bb692
131aa2c29774a
14c2ccaa35ca
156864ebbb45
hex3abafcb90e

252245227790 has 64 divisors (see below), whose sum is σ = 464832732672. Its totient is φ = 98534217600.

The previous prime is 252245227771. The next prime is 252245227853. The reversal of 252245227790 is 97722542252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28591580 + ... + 28600400.

It is an arithmetic number, because the mean of its divisors is an integer number (7263011448).

Almost surely, 2252245227790 is an apocalyptic number.

252245227790 is a deficient number, since it is larger than the sum of its proper divisors (212587504882).

252245227790 is a wasteful number, since it uses less digits than its factorization.

252245227790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 252245227790 in words is "two hundred fifty-two billion, two hundred forty-five million, two hundred twenty-seven thousand, seven hundred ninety".

Divisors: 1 2 5 10 83 131 166 262 263 415 526 655 830 1310 1315 2630 8821 10873 17642 21746 21829 34453 43658 44105 54365 68906 88210 108730 109145 172265 218290 344530 732143 1155551 1464286 2311102 2319923 2859599 3660715 4639846 5719198 5777755 7321430 11555510 11599615 14297995 23199230 28595990 95910733 191821466 192553609 303909913 385107218 479553665 607819826 959107330 962768045 1519549565 1925536090 3039099130 25224522779 50449045558 126122613895 252245227790