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16842850 = 252336857
BaseRepresentation
bin100000001000…
…0000001100010
31011200201001021
41000100001202
513302432400
61401000054
7263106343
oct100200142
934621037
1016842850
119564312
12578302a
1336493ab
1423460ca
15172a71a
hex1010062

16842850 has 12 divisors (see below), whose sum is σ = 31327794. Its totient is φ = 6737120.

The previous prime is 16842821. The next prime is 16842851. The reversal of 16842850 is 5824861.

It can be written as a sum of positive squares in 3 ways, for example, as 15155449 + 1687401 = 3893^2 + 1299^2 .

It is a super-2 number, since 2×168428502 = 567363192245000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16842851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168379 + ... + 168478.

Almost surely, 216842850 is an apocalyptic number.

16842850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16842850 is a deficient number, since it is larger than the sum of its proper divisors (14484944).

16842850 is a wasteful number, since it uses less digits than its factorization.

16842850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336869 (or 336864 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 16842850 is about 4104.0041422981. The cubic root of 16842850 is about 256.3333974040. Note that the first 4 decimals are identical.

Subtracting from 16842850 its sum of digits (34), we obtain a square (16842816 = 41042).

The spelling of 16842850 in words is "sixteen million, eight hundred forty-two thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 336857 673714 1684285 3368570 8421425 16842850