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85448506 = 211213157173
BaseRepresentation
bin1010001011111…
…01011100111010
312221210020022111
411011331130322
5133333323011
612251242534
72055205003
oct505753472
9187706274
1085448506
1144262800
122474944a
131491a360
14b4c41aa
15777d121
hex517d73a

85448506 has 48 divisors (see below), whose sum is σ = 153570312. Its totient is φ = 35418240.

The previous prime is 85448501. The next prime is 85448509. The reversal of 85448506 is 60584458.

It can be written as a sum of positive squares in 4 ways, for example, as 68973025 + 16475481 = 8305^2 + 4059^2 .

It is not an unprimeable number, because it can be changed into a prime (85448501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493836 + ... + 494008.

Almost surely, 285448506 is an apocalyptic number.

85448506 is a deficient number, since it is larger than the sum of its proper divisors (68121806).

85448506 is a wasteful number, since it uses less digits than its factorization.

85448506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 85448506 is about 9243.8361084563. The cubic root of 85448506 is about 440.4549461046.

The spelling of 85448506 in words is "eighty-five million, four hundred forty-eight thousand, five hundred six".

Divisors: 1 2 11 13 22 26 121 143 157 173 242 286 314 346 1573 1727 1903 2041 2249 3146 3454 3806 4082 4498 18997 20933 22451 24739 27161 37994 41866 44902 49478 54322 246961 272129 298771 353093 493922 544258 597542 706186 3286481 3884023 6572962 7768046 42724253 85448506