Search a number
-
+
1924039072 = 25375330661
BaseRepresentation
bin111001010101110…
…1000000110100000
311222002102022102101
41302223220012200
512420023222242
6514530500144
765452030234
oct16253500640
94862368371
101924039072
118a808503a
12458434654
132487cc577
141437645c4
15b3daa9b7
hex72ae81a0

1924039072 has 48 divisors (see below), whose sum is σ = 3963860712. Its totient is φ = 918328320.

The previous prime is 1924039069. The next prime is 1924039099. The reversal of 1924039072 is 2709304291.

It can be written as a sum of positive squares in 4 ways, for example, as 1747574416 + 176464656 = 41804^2 + 13284^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

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 7 ways as a sum of consecutive naturals, for example, 47422 + ... + 78082.

Almost surely, 21924039072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1924039072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981930356).

1924039072 is an abundant number, since it is smaller than the sum of its proper divisors (2039821640).

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

1924039072 is a wasteful number, since it uses less digits than its factorization.

1924039072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30761 (or 30753 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1924039072 is about 43863.8697791246. The cubic root of 1924039072 is about 1243.7639430370.

The spelling of 1924039072 in words is "one billion, nine hundred twenty-four million, thirty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 32 37 53 74 106 148 212 296 424 592 848 1184 1696 1961 3922 7844 15688 30661 31376 61322 62752 122644 245288 490576 981152 1134457 1625033 2268914 3250066 4537828 6500132 9075656 13000264 18151312 26000528 36302624 52001056 60126221 120252442 240504884 481009768 962019536 1924039072