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17240990 = 2513132623
BaseRepresentation
bin100000111000…
…1001110011110
31012102221012012
41001301032132
513403202430
61413311222
7266355164
oct101611636
935387165
1017240990
119806458
125935512
133758690
14240b234
1517a8695
hex107139e

17240990 has 16 divisors (see below), whose sum is σ = 33421248. Its totient is φ = 6365856.

The previous prime is 17240957. The next prime is 17241011. The reversal of 17240990 is 9904271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66182 + ... + 66441.

It is an arithmetic number, because the mean of its divisors is an integer number (2088828).

Almost surely, 217240990 is an apocalyptic number.

17240990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17240990 is a deficient number, since it is larger than the sum of its proper divisors (16180258).

17240990 is a wasteful number, since it uses less digits than its factorization.

17240990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132643.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 17240990 is about 4152.2271132490. The cubic root of 17240990 is about 258.3374687741.

The spelling of 17240990 in words is "seventeen million, two hundred forty thousand, nine hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 132623 265246 663115 1326230 1724099 3448198 8620495 17240990