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168463850 = 25222914713
BaseRepresentation
bin10100000101010…
…00110111101010
3102201222211221212
422002220313222
5321111320400
624414433122
74113630152
oct1202506752
9381884855
10168463850
1187103425
12485027a2
1328b95069
1418533762
15ebca335
hexa0a8dea

168463850 has 24 divisors (see below), whose sum is σ = 314732460. Its totient is φ = 67086720.

The previous prime is 168463819. The next prime is 168463879. The reversal of 168463850 is 58364861.

It can be written as a sum of positive squares in 6 ways, for example, as 123721129 + 44742721 = 11123^2 + 6689^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 168463798 and 168463807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4094 + ... + 18806.

Almost surely, 2168463850 is an apocalyptic number.

168463850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168463850 is a deficient number, since it is larger than the sum of its proper divisors (146268610).

168463850 is a wasteful number, since it uses less digits than its factorization.

168463850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14954 (or 14949 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 168463850 is about 12979.3624650828. The cubic root of 168463850 is about 552.2921967850.

The spelling of 168463850 in words is "one hundred sixty-eight million, four hundred sixty-three thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 229 458 1145 2290 5725 11450 14713 29426 73565 147130 367825 735650 3369277 6738554 16846385 33692770 84231925 168463850