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513472932 = 22347474817
BaseRepresentation
bin11110100110101…
…111100110100100
31022210012010110000
4132212233212210
52022422113212
6122541301300
715503306430
oct3646574644
91283163400
10513472932
112439298a5
12123b64830
13824c164b
144c2a19c0
153012a1dc
hex1e9af9a4

513472932 has 120 divisors (see below), whose sum is σ = 1567044864. Its totient is φ = 143555328.

The previous prime is 513472909. The next prime is 513472987. The reversal of 513472932 is 239274315.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104188 + ... + 109004.

Almost surely, 2513472932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513472932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783522432).

513472932 is an abundant number, since it is smaller than the sum of its proper divisors (1053571932).

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

513472932 is a wasteful number, since it uses less digits than its factorization.

513472932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887 (or 4876 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 513472932 is about 22659.9411296676. The cubic root of 513472932 is about 800.7664176039.

The spelling of 513472932 in words is "five hundred thirteen million, four hundred seventy-two thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 47 54 63 81 84 94 108 126 141 162 188 189 252 282 324 329 378 423 564 567 658 756 846 987 1134 1269 1316 1692 1974 2268 2538 2961 3807 3948 4817 5076 5922 7614 8883 9634 11844 14451 15228 17766 19268 26649 28902 33719 35532 43353 53298 57804 67438 86706 101157 106596 130059 134876 173412 202314 226399 260118 303471 390177 404628 452798 520236 606942 679197 780354 905596 910413 1213884 1358394 1560708 1584793 1820826 2037591 2716788 2731239 3169586 3641652 4075182 4754379 5462478 6112773 6339172 8150364 9508758 10924956 12225546 14263137 18338319 19017516 24451092 28526274 36676638 42789411 57052548 73353276 85578822 128368233 171157644 256736466 513472932