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808339140 = 2232572327893
BaseRepresentation
bin110000001011100…
…100011011000100
32002100000212211200
4300023210123010
53123413323030
6212113302500
726013524610
oct6013443304
92070025750
10808339140
11385317184
121a6864a30
13cb6127ab
14794da340
154ae72d60
hex302e46c4

808339140 has 144 divisors (see below), whose sum is σ = 2924183808. Its totient is φ = 176723712.

The previous prime is 808339123. The next prime is 808339183. The reversal of 808339140 is 41933808.

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

It is a junction number, because it is equal to n+sod(n) for n = 808339095 and 808339104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15034 + ... + 42926.

It is an arithmetic number, because the mean of its divisors is an integer number (20306832).

Almost surely, 2808339140 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 808339140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462091904).

808339140 is an abundant number, since it is smaller than the sum of its proper divisors (2115844668).

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

808339140 is a wasteful number, since it uses less digits than its factorization.

808339140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27938 (or 27933 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 808339140 is about 28431.3056330517. The cubic root of 808339140 is about 931.5321950662.

The spelling of 808339140 in words is "eight hundred eight million, three hundred thirty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 28 30 35 36 42 45 46 60 63 69 70 84 90 92 105 115 126 138 140 161 180 207 210 230 252 276 315 322 345 414 420 460 483 630 644 690 805 828 966 1035 1260 1380 1449 1610 1932 2070 2415 2898 3220 4140 4830 5796 7245 9660 14490 27893 28980 55786 83679 111572 139465 167358 195251 251037 278930 334716 390502 418395 502074 557860 585753 641539 781004 836790 976255 1004148 1171506 1255185 1283078 1673580 1757259 1924617 1952510 2343012 2510370 2566156 2928765 3207695 3514518 3849234 3905020 4490773 5020740 5773851 5857530 6415390 7029036 7698468 8786295 8981546 9623085 11547702 11715060 12830780 13472319 17572590 17963092 19246170 22453865 23095404 26944638 28869255 35145180 38492340 40416957 44907730 53889276 57738510 67361595 80833914 89815460 115477020 134723190 161667828 202084785 269446380 404169570 808339140