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530013540 = 223571916607
BaseRepresentation
bin11111100101110…
…101110101100100
31100221022110220010
4133211311311210
52041140413130
6124332010220
716064016660
oct3745656544
91327273803
10530013540
112521a7021
12129600970
1385a632a4
14505698a0
15317e60b0
hex1f975d64

530013540 has 96 divisors (see below), whose sum is σ = 1705181184. Its totient is φ = 120493440.

The previous prime is 530013527. The next prime is 530013563. The reversal of 530013540 is 45310035.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76917 + ... + 83523.

It is an arithmetic number, because the mean of its divisors is an integer number (17762304).

Almost surely, 2530013540 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 530013540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852590592).

530013540 is an abundant number, since it is smaller than the sum of its proper divisors (1175167644).

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

530013540 is a wasteful number, since it uses less digits than its factorization.

530013540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 530013540 is about 23022.0229345729. The cubic root of 530013540 is about 809.2741248938.

Adding to 530013540 its reverse (45310035), we get a palindrome (575323575).

The spelling of 530013540 in words is "five hundred thirty million, thirteen thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 191 210 382 420 573 764 955 1146 1337 1910 2292 2674 2865 3820 4011 5348 5730 6607 6685 8022 11460 13214 13370 16044 19821 20055 26428 26740 33035 39642 40110 46249 66070 79284 80220 92498 99105 132140 138747 184996 198210 231245 277494 396420 462490 554988 693735 924980 1261937 1387470 2523874 2774940 3785811 5047748 6309685 7571622 8833559 12619370 15143244 17667118 18929055 25238740 26500677 35334236 37858110 44167795 53001354 75716220 88335590 106002708 132503385 176671180 265006770 530013540