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17090740 = 2255771481
BaseRepresentation
bin100000100110…
…0100010110100
31012011022002101
41001030202310
513333400430
61410151444
7265161142
oct101144264
935138071
1017090740
119713587
125882584
133705184
1423ac592
151778dca
hex104c8b4

17090740 has 24 divisors (see below), whose sum is σ = 35977032. Its totient is φ = 6819840.

The previous prime is 17090699. The next prime is 17090743. The reversal of 17090740 is 4709071.

It can be written as a sum of positive squares in 4 ways, for example, as 6041764 + 11048976 = 2458^2 + 3324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17090699 and 17090708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17090743) 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, 10800 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (1499043).

Almost surely, 217090740 is an apocalyptic number.

17090740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17090740 is an abundant number, since it is smaller than the sum of its proper divisors (18886292).

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

17090740 is a wasteful number, since it uses less digits than its factorization.

17090740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 17090740 is about 4134.0948223281. The cubic root of 17090740 is about 257.5848339579.

The spelling of 17090740 in words is "seventeen million, ninety thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 577 1154 1481 2308 2885 2962 5770 5924 7405 11540 14810 29620 854537 1709074 3418148 4272685 8545370 17090740