Search a number
-
+
20014000 = 245310007
BaseRepresentation
bin100110001011…
…0001110110000
31101122211001021
41030112032300
520110422000
61552545224
7332054566
oct114261660
941584037
1020014000
111032a8a6
126852214
1341b9906
14292da36
151b5511a
hex13163b0

20014000 has 40 divisors (see below), whose sum is σ = 48398688. Its totient is φ = 8004800.

The previous prime is 20013997. The next prime is 20014009. The reversal of 20014000 is 41002.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (20014009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3004 + ... + 7003.

Almost surely, 220014000 is an apocalyptic number.

20014000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014000 is an abundant number, since it is smaller than the sum of its proper divisors (28384688).

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

20014000 is a wasteful number, since it uses less digits than its factorization.

20014000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030 (or 10014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 20014000 is about 4473.7009287613. The cubic root of 20014000 is about 271.5050832978.

Adding to 20014000 its reverse (41002), we get a palindrome (20055002).

The spelling of 20014000 in words is "twenty million, fourteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 10007 20014 40028 50035 80056 100070 160112 200140 250175 400280 500350 800560 1000700 1250875 2001400 2501750 4002800 5003500 10007000 20014000