Search a number
-
+
1648685060 = 225117494023
BaseRepresentation
bin110001001000100…
…1111000000000100
311020220021212201122
41202101033000010
511334030410220
6431333013112
755566406661
oct14221170004
94226255648
101648685060
11776704540
123a0184198
132037507b9
14118d68a68
1599b19425
hex6244f004

1648685060 has 24 divisors (see below), whose sum is σ = 3776988096. Its totient is φ = 599521760.

The previous prime is 1648685047. The next prime is 1648685063. The reversal of 1648685060 is 605868461.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1648685063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746792 + ... + 3747231.

It is an arithmetic number, because the mean of its divisors is an integer number (157374504).

Almost surely, 21648685060 is an apocalyptic number.

1648685060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648685060 is an abundant number, since it is smaller than the sum of its proper divisors (2128303036).

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

1648685060 is a wasteful number, since it uses less digits than its factorization.

1648685060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494043 (or 7494041 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 1648685060 is about 40604.0030046300. The cubic root of 1648685060 is about 1181.3517641022.

The spelling of 1648685060 in words is "one billion, six hundred forty-eight million, six hundred eighty-five thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 7494023 14988046 29976092 37470115 74940230 82434253 149880460 164868506 329737012 412171265 824342530 1648685060