Search a number
-
+
2148597020 = 225176319403
BaseRepresentation
bin1000000000010000…
…1111110100011100
312112201222001000102
42000010033310130
513400020101040
6553111520232
7104146526153
oct20004176434
95481861012
102148597020
11a02910819
124bb689078
132831a47ab
141654da59a
15c8966515
hex8010fd1c

2148597020 has 24 divisors (see below), whose sum is σ = 4777469424. Its totient is φ = 808883456.

The previous prime is 2148597019. The next prime is 2148597023. The reversal of 2148597020 is 207958412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148597023) 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, 3159362 + ... + 3160041.

It is an arithmetic number, because the mean of its divisors is an integer number (199061226).

Almost surely, 22148597020 is an apocalyptic number.

2148597020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148597020 is an abundant number, since it is smaller than the sum of its proper divisors (2628872404).

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

2148597020 is a wasteful number, since it uses less digits than its factorization.

2148597020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319429 (or 6319427 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2148597020 is about 46352.9612862005. The cubic root of 2148597020 is about 1290.3820793990.

The spelling of 2148597020 in words is "two billion, one hundred forty-eight million, five hundred ninety-seven thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 6319403 12638806 25277612 31597015 63194030 107429851 126388060 214859702 429719404 537149255 1074298510 2148597020