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530025540 = 2235113732153
BaseRepresentation
bin11111100101111…
…000110001000100
31100221100002100120
4133211320301010
52041141304130
6124332141540
716064066652
oct3745706104
91327302316
10530025540
11252205040
121296078b0
1385a688a5
145056ddd2
15317e9910
hex1f978c44

530025540 has 96 divisors (see below), whose sum is σ = 1624081536. Its totient is φ = 128087040.

The previous prime is 530025521. The next prime is 530025571. The reversal of 530025540 is 45520035.

It is a self number, because there is not a number n which added to its sum of digits gives 530025540.

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, 245104 + ... + 247256.

It is an arithmetic number, because the mean of its divisors is an integer number (16917516).

Almost surely, 2530025540 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 530025540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812040768).

530025540 is an abundant number, since it is smaller than the sum of its proper divisors (1094055996).

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

530025540 is a wasteful number, since it uses less digits than its factorization.

530025540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 530025540 is about 23022.2835531144. The cubic root of 530025540 is about 809.2802324209.

Adding to 530025540 its reverse (45520035), we get a palindrome (575545575).

The spelling of 530025540 in words is "five hundred thirty million, twenty-five thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 373 660 746 1119 1492 1865 2153 2238 3730 4103 4306 4476 5595 6459 7460 8206 8612 10765 11190 12309 12918 16412 20515 21530 22380 23683 24618 25836 32295 41030 43060 47366 49236 61545 64590 71049 82060 94732 118415 123090 129180 142098 236830 246180 284196 355245 473660 710490 803069 1420980 1606138 2409207 3212276 4015345 4818414 8030690 8833759 9636828 12046035 16061380 17667518 24092070 26501277 35335036 44168795 48184140 53002554 88337590 106005108 132506385 176675180 265012770 530025540