Search a number
-
+
1204820808 = 23350200867
BaseRepresentation
bin100011111010000…
…0001101101001000
310002222002020102220
41013310001231020
54431413231213
6315315254040
741566544052
oct10764015510
93088066386
101204820808
115690a9784
122975aa320
131627c1829
14b60268d2
1570b8de23
hex47d01b48

1204820808 has 16 divisors (see below), whose sum is σ = 3012052080. Its totient is φ = 401606928.

The previous prime is 1204820807. The next prime is 1204820843. The reversal of 1204820808 is 8080284021.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1204820807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25100410 + ... + 25100457.

It is an arithmetic number, because the mean of its divisors is an integer number (188253255).

Almost surely, 21204820808 is an apocalyptic number.

It is an amenable number.

1204820808 is an abundant number, since it is smaller than the sum of its proper divisors (1807231272).

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

1204820808 is a wasteful number, since it uses less digits than its factorization.

1204820808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50200876 (or 50200872 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 1204820808 is about 34710.5287773033. The cubic root of 1204820808 is about 1064.0796880976.

The spelling of 1204820808 in words is "one billion, two hundred four million, eight hundred twenty thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 50200867 100401734 150602601 200803468 301205202 401606936 602410404 1204820808