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1066140530 = 257213315399
BaseRepresentation
bin111111100011000…
…000001101110010
32202022010112212022
4333203000031302
54140412444110
6253443031442
735264021300
oct7743001562
92668115768
101066140530
114a7899184
1225906b582
1313cb570b0
14a1847270
15638e8755
hex3f8c0372

1066140530 has 96 divisors (see below), whose sum is σ = 2482099200. Its totient is φ = 326471040.

The previous prime is 1066140529. The next prime is 1066140539. The reversal of 1066140530 is 350416601.

1066140530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10661405302 = 2273311259417361800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1066140530.

It is not an unprimeable number, because it can be changed into a prime (1066140539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194771 + ... + 200169.

It is an arithmetic number, because the mean of its divisors is an integer number (25855200).

Almost surely, 21066140530 is an apocalyptic number.

1066140530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066140530 is an abundant number, since it is smaller than the sum of its proper divisors (1415958670).

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

1066140530 is a wasteful number, since it uses less digits than its factorization.

1066140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464 (or 5457 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1066140530 is about 32651.8074537996. The cubic root of 1066140530 is about 1021.5778891085.

The spelling of 1066140530 in words is "one billion, sixty-six million, one hundred forty thousand, five hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 31 35 49 62 65 70 91 98 130 155 182 217 245 310 403 434 455 490 637 806 910 1085 1274 1519 2015 2170 2821 3038 3185 4030 5399 5642 6370 7595 10798 14105 15190 19747 26995 28210 37793 39494 53990 70187 75586 98735 140374 167369 188965 197470 264551 334738 350935 377930 491309 529102 701870 836845 982618 1171583 1322755 1673690 2175797 2343166 2456545 2645510 3439163 4351594 4913090 5857915 6878326 8201081 10878985 11715830 15230579 16402162 17195815 21757970 30461158 34391630 41005405 76152895 82010810 106614053 152305790 213228106 533070265 1066140530