[go: up one dir, main page]

Search a number
-
+
2159492 = 222771949
BaseRepresentation
bin1000001111001110000100
311001201021012
420033032010
51023100432
6114141352
724232616
oct10171604
94051235
102159492
111245505
12881858
135a7c0a
14402db6
152c9cb2
hex20f384

2159492 has 12 divisors (see below), whose sum is σ = 3794700. Its totient is φ = 1075296.

The previous prime is 2159473. The next prime is 2159497. The reversal of 2159492 is 2949512.

It can be written as a sum of positive squares in 2 ways, for example, as 1048576 + 1110916 = 1024^2 + 1054^2 .

It is not an unprimeable number, because it can be changed into a prime (2159497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (316225).

22159492 is an apocalyptic number.

It is an amenable number.

2159492 is a deficient number, since it is larger than the sum of its proper divisors (1635208).

2159492 is a wasteful number, since it uses less digits than its factorization.

2159492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2228 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 2159492 is about 1469.5210103976. The cubic root of 2159492 is about 129.2559467849.

The spelling of 2159492 in words is "two million, one hundred fifty-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 277 554 1108 1949 3898 7796 539873 1079746 2159492