Search a number
-
+
481027880 = 23512025697
BaseRepresentation
bin11100101010111…
…110011100101000
31020112010202012102
4130222332130220
51441120343010
6115422032532
714630445434
oct3452763450
91215122172
10481027880
11227589403
12115118748
13788717a8
1447c579c4
152c36bba5
hex1cabe728

481027880 has 16 divisors (see below), whose sum is σ = 1082312820. Its totient is φ = 192411136.

The previous prime is 481027873. The next prime is 481027889. The reversal of 481027880 is 88720184.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 470282596 + 10745284 = 21686^2 + 3278^2 .

It is a super-3 number, since 3×4810278803 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (481027889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6012809 + ... + 6012888.

Almost surely, 2481027880 is an apocalyptic number.

481027880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

481027880 is an abundant number, since it is smaller than the sum of its proper divisors (601284940).

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

481027880 is a wasteful number, since it uses less digits than its factorization.

481027880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12025708 (or 12025704 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 481027880 is about 21932.3477995403. The cubic root of 481027880 is about 783.5320206226.

The spelling of 481027880 in words is "four hundred eighty-one million, twenty-seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 12025697 24051394 48102788 60128485 96205576 120256970 240513940 481027880