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17144940 = 2235285749
BaseRepresentation
bin100000101100…
…1110001101100
31012021001102210
41001121301230
513342114230
61411250420
7265505151
oct101316154
935231383
1017144940
11975027a
1258a9a10
133723a47
1423c4228
151789eb0
hex1059c6c

17144940 has 24 divisors (see below), whose sum is σ = 48006000. Its totient is φ = 4571968.

The previous prime is 17144927. The next prime is 17144957. The reversal of 17144940 is 4944171.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 17144898 and 17144907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142815 + ... + 142934.

It is an arithmetic number, because the mean of its divisors is an integer number (2000250).

Almost surely, 217144940 is an apocalyptic number.

17144940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17144940 is an abundant number, since it is smaller than the sum of its proper divisors (30861060).

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

17144940 is a wasteful number, since it uses less digits than its factorization.

17144940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285761 (or 285759 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 17144940 is about 4140.6448773108. The cubic root of 17144940 is about 257.8568402341.

The spelling of 17144940 in words is "seventeen million, one hundred forty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 285749 571498 857247 1142996 1428745 1714494 2857490 3428988 4286235 5714980 8572470 17144940