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17013020 = 2257111981
BaseRepresentation
bin100000011100…
…1100100011100
31012000100110212
41000321210130
513323404040
61404351552
7264415433
oct100714434
935010425
1017013020
119670152
1258455b8
1336a899b
14238c11a
151760d65
hex103991c

17013020 has 24 divisors (see below), whose sum is σ = 36233568. Its totient is φ = 6708800.

The previous prime is 17013011. The next prime is 17013023. The reversal of 17013020 is 2031071.

It is a junction number, because it is equal to n+sod(n) for n = 17012986 and 17013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17013023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (1509732).

Almost surely, 217013020 is an apocalyptic number.

17013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17013020 is an abundant number, since it is smaller than the sum of its proper divisors (19220548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17013020 is a wasteful number, since it uses less digits than its factorization.

17013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12061 (or 12059 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 17013020 is about 4124.6842303381. The cubic root of 17013020 is about 257.1937856211.

Adding to 17013020 its reverse (2031071), we get a palindrome (19044091).

The spelling of 17013020 in words is "seventeen million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 11981 23962 47924 59905 119810 239620 850651 1701302 3402604 4253255 8506510 17013020