Search a number
-
+
2026145 = 511217197
BaseRepresentation
bin111101110101010100001
310210221100102
413232222201
51004314040
6111232145
723136062
oct7565241
93727312
102026145
111164300
12818655
1355c304
143aa569
152a0515
hex1eeaa1

2026145 has 24 divisors (see below), whose sum is σ = 2844072. Its totient is φ = 1379840.

The previous prime is 2026121. The next prime is 2026151. The reversal of 2026145 is 5416202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1024144 + 1002001 = 1012^2 + 1001^2 .

It is not a de Polignac number, because 2026145 - 26 = 2026081 is a prime.

It is a super-2 number, since 2×20261452 = 8210527122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10187 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (118503).

22026145 is an apocalyptic number.

It is an amenable number.

2026145 is a deficient number, since it is larger than the sum of its proper divisors (817927).

2026145 is a wasteful number, since it uses less digits than its factorization.

2026145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2026145 is about 1423.4272022130. The cubic root of 2026145 is about 126.5387404975.

The spelling of 2026145 in words is "two million, twenty-six thousand, one hundred forty-five".

Divisors: 1 5 11 17 55 85 121 187 197 605 935 985 2057 2167 3349 10285 10835 16745 23837 36839 119185 184195 405229 2026145