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248235806 = 27131363933
BaseRepresentation
bin11101100101111…
…00011100011110
3122022002200111202
432302330130132
51002022021211
640344315502
76102653360
oct1662743436
9568080452
10248235806
11118139265
126b172b92
133c5756c0
1424d7ad30
1516bd653b
hexecbc71e

248235806 has 16 divisors (see below), whose sum is σ = 458281824. Its totient is φ = 98203104.

The previous prime is 248235787. The next prime is 248235821. The reversal of 248235806 is 608532842.

It is a self number, because there is not a number n which added to its sum of digits gives 248235806.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 681785 + ... + 682148.

It is an arithmetic number, because the mean of its divisors is an integer number (28642614).

Almost surely, 2248235806 is an apocalyptic number.

248235806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

248235806 is a deficient number, since it is larger than the sum of its proper divisors (210046018).

248235806 is a wasteful number, since it uses less digits than its factorization.

248235806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363955.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 248235806 is about 15755.5008171749. The cubic root of 248235806 is about 628.4751954654.

The spelling of 248235806 in words is "two hundred forty-eight million, two hundred thirty-five thousand, eight hundred six".

Divisors: 1 2 7 13 14 26 91 182 1363933 2727866 9547531 17731129 19095062 35462258 124117903 248235806