Search a number
-
+
801987052 = 22677340993
BaseRepresentation
bin101111110011010…
…101100111101100
32001220002011102011
4233303111213230
53120302041202
6211325211004
725605530446
oct5763254754
92056064364
10801987052
11381778819
121a4700a64
13ca1ca469
1478725496
154a61abd7
hex2fcd59ec

801987052 has 24 divisors (see below), whose sum is σ = 1443972656. Its totient is φ = 389587968.

The previous prime is 801987029. The next prime is 801987061. The reversal of 801987052 is 250789108.

It is a junction number, because it is equal to n+sod(n) for n = 801986996 and 801987014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 40060.

Almost surely, 2801987052 is an apocalyptic number.

It is an amenable number.

801987052 is a deficient number, since it is larger than the sum of its proper divisors (641985604).

801987052 is a wasteful number, since it uses less digits than its factorization.

801987052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41137 (or 41135 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 801987052 is about 28319.3759112026. The cubic root of 801987052 is about 929.0857211188.

The spelling of 801987052 in words is "eight hundred one million, nine hundred eighty-seven thousand, fifty-two".

Divisors: 1 2 4 67 73 134 146 268 292 4891 9782 19564 40993 81986 163972 2746531 2992489 5493062 5984978 10986124 11969956 200496763 400993526 801987052