Search a number
-
+
1416971808 = 253272314179
BaseRepresentation
bin101010001110101…
…0100011000100000
310122202021121220100
41110131110120200
510400221044213
6352334342400
750054030100
oct12435243040
93582247810
101416971808
1166793098a
1233665aa00
13197741775
14d628d200
15845e8773
hex54754620

1416971808 has 432 divisors, whose sum is σ = 5019356160. Its totient is φ = 377395200.

The previous prime is 1416971783. The next prime is 1416971821. The reversal of 1416971808 is 8081796141.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17936313 + ... + 17936391.

It is an arithmetic number, because the mean of its divisors is an integer number (11618880).

Almost surely, 21416971808 is an apocalyptic number.

1416971808 is a gapful number since it is divisible by the number (18) 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 1416971808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509678080).

1416971808 is an abundant number, since it is smaller than the sum of its proper divisors (3602384352).

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

1416971808 is a wasteful number, since it uses less digits than its factorization.

1416971808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 1416971808 is about 37642.6859828041. The cubic root of 1416971808 is about 1123.1913147355.

The spelling of 1416971808 in words is "one billion, four hundred sixteen million, nine hundred seventy-one thousand, eight hundred eight".