Search a number
-
+
800740140 = 223564720627
BaseRepresentation
bin101111101110100…
…101001100101100
32001210201210222020
4233232211030230
53114442141030
6211242350140
725562115234
oct5756451454
92053653866
10800740140
11380aa6a12
121a41bb350
13c9b81a45
14784bccc4
154a471510
hex2fba532c

800740140 has 48 divisors (see below), whose sum is σ = 2245646592. Its totient is φ = 213190336.

The previous prime is 800740121. The next prime is 800740151. The reversal of 800740140 is 41047008.

It is a self number, because there is not a number n which added to its sum of digits gives 800740140.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28507 + ... + 49133.

It is an arithmetic number, because the mean of its divisors is an integer number (46784304).

Almost surely, 2800740140 is an apocalyptic number.

It is an amenable number.

800740140 is an abundant number, since it is smaller than the sum of its proper divisors (1444906452).

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

800740140 is a wasteful number, since it uses less digits than its factorization.

800740140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286 (or 21284 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 800740140 is about 28297.3521729507. The cubic root of 800740140 is about 928.6039639431.

Adding to 800740140 its reverse (41047008), we get a palindrome (841787148).

The spelling of 800740140 in words is "eight hundred million, seven hundred forty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 647 1294 1941 2588 3235 3882 6470 7764 9705 12940 19410 20627 38820 41254 61881 82508 103135 123762 206270 247524 309405 412540 618810 1237620 13345669 26691338 40037007 53382676 66728345 80074014 133456690 160148028 200185035 266913380 400370070 800740140