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17420230 = 259717959
BaseRepresentation
bin100001001110…
…0111111000110
31012210001001201
41002130333012
513424421410
61421213114
7301032562
oct102347706
935701051
1017420230
119919093
125a0119a
1337bc139
1424566a2
1517e183a
hex109cfc6

17420230 has 16 divisors (see below), whose sum is σ = 31681440. Its totient is φ = 6895872.

The previous prime is 17420191. The next prime is 17420243. The reversal of 17420230 is 3202471.

It is a junction number, because it is equal to n+sod(n) for n = 17420198 and 17420207.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8010 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (1980090).

Almost surely, 217420230 is an apocalyptic number.

17420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17420230 is a deficient number, since it is larger than the sum of its proper divisors (14261210).

17420230 is a wasteful number, since it uses less digits than its factorization.

17420230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 17420230 is about 4173.7549041600. The cubic root of 17420230 is about 259.2296229893.

The spelling of 17420230 in words is "seventeen million, four hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 17959 35918 89795 179590 1742023 3484046 8710115 17420230