Search a number
-
+
1148380800 = 27352723743
BaseRepresentation
bin100010001110010…
…1110011010000000
32222000212210022020
41010130232122000
54322441141200
6305541441440
740313034660
oct10434563200
92860783266
101148380800
1153a25a546
12280710280
13153bc0088
14ac7341a0
156ac40ea0
hex4472e680

1148380800 has 384 divisors, whose sum is σ = 4516853760. Its totient is φ = 250736640.

The previous prime is 1148380799. The next prime is 1148380811. The reversal of 1148380800 is 80838411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

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, 1545229 + ... + 1545971.

It is an arithmetic number, because the mean of its divisors is an integer number (11762640).

Almost surely, 21148380800 is an apocalyptic number.

1148380800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148380800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258426880).

1148380800 is an abundant number, since it is smaller than the sum of its proper divisors (3368472960).

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

1148380800 is a wasteful number, since it uses less digits than its factorization.

1148380800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1148380800 is about 33887.7677045863. The cubic root of 1148380800 is about 1047.1976065821.

The spelling of 1148380800 in words is "one billion, one hundred forty-eight million, three hundred eighty thousand, eight hundred".