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529945 = 51331263
BaseRepresentation
bin10000001011000011001
3222220221121
42001120121
5113424240
615205241
74335013
oct2013031
9886847
10529945
11332179
12216821
131572a0
14db1b3
15a704a
hex81619

529945 has 16 divisors (see below), whose sum is σ = 709632. Its totient is φ = 377280.

The previous prime is 529939. The next prime is 529957. The reversal of 529945 is 549925.

It is not a de Polignac number, because 529945 - 211 = 527897 is a prime.

It is a Duffinian number.

529945 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 529945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1884 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2529945 is an apocalyptic number.

It is an amenable number.

529945 is a deficient number, since it is larger than the sum of its proper divisors (179687).

529945 is a wasteful number, since it uses less digits than its factorization.

529945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its digits is 16200, while the sum is 34.

The square root of 529945 is about 727.9732137929. The cubic root of 529945 is about 80.9239238968.

The spelling of 529945 in words is "five hundred twenty-nine thousand, nine hundred forty-five".

Divisors: 1 5 13 31 65 155 263 403 1315 2015 3419 8153 17095 40765 105989 529945