Search a number
-
+
509031160 = 235113167557
BaseRepresentation
bin11110010101110…
…011001011111000
31022110211110110221
4132111303023320
52020302444120
6122302145424
715420456601
oct3625631370
91273743427
10509031160
11241375710
12122582274
13815c7991
144b866da8
152ea4e0aa
hex1e5732f8

509031160 has 128 divisors (see below), whose sum is σ = 1311344640. Its totient is φ = 176140800.

The previous prime is 509031151. The next prime is 509031161. The reversal of 509031160 is 61130905.

It is a super-2 number, since 2×5090311602 = 518225443701891200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509031161) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 913602 + ... + 914158.

It is an arithmetic number, because the mean of its divisors is an integer number (10244880).

Almost surely, 2509031160 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 509031160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655672320).

509031160 is an abundant number, since it is smaller than the sum of its proper divisors (802313480).

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

509031160 is a wasteful number, since it uses less digits than its factorization.

509031160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 509031160 is about 22561.7189061472. The cubic root of 509031160 is about 798.4507308097.

The spelling of 509031160 in words is "five hundred nine million, thirty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 67 88 110 124 134 155 220 248 268 310 335 341 440 536 557 620 670 682 737 1114 1240 1340 1364 1474 1705 2077 2228 2680 2728 2785 2948 3410 3685 4154 4456 5570 5896 6127 6820 7370 8308 10385 11140 12254 13640 14740 16616 17267 20770 22280 22847 24508 29480 30635 34534 37319 41540 45694 49016 61270 69068 74638 83080 86335 91388 114235 122540 138136 149276 172670 182776 186595 189937 228470 245080 298552 345340 373190 379874 410509 456940 690680 746380 759748 821018 913880 949685 1156889 1492760 1519496 1642036 1899370 2052545 2313778 3284072 3798740 4105090 4627556 5784445 7597480 8210180 9255112 11568890 12725779 16420360 23137780 25451558 46275560 50903116 63628895 101806232 127257790 254515580 509031160