Search a number
-
+
14025020 = 2253122621
BaseRepresentation
bin110101100000…
…000100111100
3222101112201012
4311200010330
512042300040
61220334352
7230132162
oct65400474
928345635
1014025020
117a0a229
1248443b8
132ba0939
141c11232
151370865
hexd6013c

14025020 has 24 divisors (see below), whose sum is σ = 30403968. Its totient is φ = 5428800.

The previous prime is 14025007. The next prime is 14025023. The reversal of 14025020 is 2052041.

It is a junction number, because it is equal to n+sod(n) for n = 14024986 and 14025004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14025023) 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, 10691 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (1266832).

Almost surely, 214025020 is an apocalyptic number.

14025020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14025020 is an abundant number, since it is smaller than the sum of its proper divisors (16378948).

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

14025020 is a wasteful number, since it uses less digits than its factorization.

14025020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661 (or 22659 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 14025020 is about 3744.9993324432. Note that the first 3 decimals coincide. The cubic root of 14025020 is about 241.1577165900.

Adding to 14025020 its reverse (2052041), we get a palindrome (16077061).

The spelling of 14025020 in words is "fourteen million, twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 22621 45242 90484 113105 226210 452420 701251 1402502 2805004 3506255 7012510 14025020