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17421086 = 210186243
BaseRepresentation
bin100001001110…
…1001100011110
31012210002020102
41002131030132
513424433321
61421221102
7301035224
oct102351436
935702212
1017421086
1199197a1
125a01792
1337bc647
142456b14
1517e1c0b
hex109d31e

17421086 has 8 divisors (see below), whose sum is σ = 26390664. Its totient is φ = 8624200.

The previous prime is 17421077. The next prime is 17421109. The reversal of 17421086 is 68012471.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42920 + ... + 43323.

It is an arithmetic number, because the mean of its divisors is an integer number (3298833).

Almost surely, 217421086 is an apocalyptic number.

17421086 is a deficient number, since it is larger than the sum of its proper divisors (8969578).

17421086 is a wasteful number, since it uses less digits than its factorization.

17421086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86346.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 17421086 is about 4173.8574484522. The cubic root of 17421086 is about 259.2338689517.

The spelling of 17421086 in words is "seventeen million, four hundred twenty-one thousand, eighty-six".

Divisors: 1 2 101 202 86243 172486 8710543 17421086