Search a number
-
+
1485424640 = 21157172353
BaseRepresentation
bin101100010001001…
…1100100000000000
310211112002101112102
41120202130200000
511020232042030
6403221445532
751544621040
oct13042344000
93745071472
101485424640
116a2535577
123555708a8
131a898acbb
141013cb720
158a61ac45
hex5889c800

1485424640 has 384 divisors, whose sum is σ = 4585351680. Its totient is φ = 449839104.

The previous prime is 1485424621. The next prime is 1485424643. The reversal of 1485424640 is 464245841.

It is a super-2 number, since 2×14854246402 = 4412972722238259200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1485424594 and 1485424603.

It is not an unprimeable number, because it can be changed into a prime (1485424643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28026854 + ... + 28026906.

It is an arithmetic number, because the mean of its divisors is an integer number (11941020).

Almost surely, 21485424640 is an apocalyptic number.

1485424640 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 1485424640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2292675840).

1485424640 is an abundant number, since it is smaller than the sum of its proper divisors (3099927040).

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

1485424640 is a wasteful number, since it uses less digits than its factorization.

1485424640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 1485424640 is about 38541.2070387008. The cubic root of 1485424640 is about 1140.9944743786.

The spelling of 1485424640 in words is "one billion, four hundred eighty-five million, four hundred twenty-four thousand, six hundred forty".