Search a number
-
+
1928208480 = 2535111073413
BaseRepresentation
bin111001011101110…
…0010000001100000
311222101021010202220
41302323202001200
512422110132410
6515200111040
765532334032
oct16273420140
94871233686
101928208480
118aa472630
12459905480
1324962c283
1414412bc52
15b4431070
hex72ee2060

1928208480 has 192 divisors, whose sum is σ = 6689910528. Its totient is φ = 462940160.

The previous prime is 1928208461. The next prime is 1928208497. The reversal of 1928208480 is 848028291.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 563254 + ... + 566666.

It is an arithmetic number, because the mean of its divisors is an integer number (34843284).

Almost surely, 21928208480 is an apocalyptic number.

1928208480 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 1928208480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3344955264).

1928208480 is an abundant number, since it is smaller than the sum of its proper divisors (4761702048).

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

1928208480 is a wasteful number, since it uses less digits than its factorization.

1928208480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 1928208480 is about 43911.3707369743. The cubic root of 1928208480 is about 1244.6617103177.

The spelling of 1928208480 in words is "one billion, nine hundred twenty-eight million, two hundred eight thousand, four hundred eighty".