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7226141 = 13555857
BaseRepresentation
bin11011100100001100011101
3111121010101212
4123210030131
53322214031
6414514205
7115264316
oct33441435
914533355
107226141
11409611a
122505965
131660130
14d6160d
1597b12b
hex6e431d

7226141 has 4 divisors (see below), whose sum is σ = 7782012. Its totient is φ = 6670272.

The previous prime is 7226123. The next prime is 7226159. The reversal of 7226141 is 1416227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1416227 = 10971291.

It is an interprime number because it is at equal distance from previous prime (7226123) and next prime (7226159).

It can be written as a sum of positive squares in 2 ways, for example, as 3880900 + 3345241 = 1970^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 7226141 - 26 = 7226077 is a prime.

It is a super-2 number, since 2×72261412 = 104434227503762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7226101) 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, 277916 + ... + 277941.

It is an arithmetic number, because the mean of its divisors is an integer number (1945503).

Almost surely, 27226141 is an apocalyptic number.

It is an amenable number.

7226141 is a deficient number, since it is larger than the sum of its proper divisors (555871).

7226141 is a wasteful number, since it uses less digits than its factorization.

7226141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555870.

The product of its digits is 672, while the sum is 23.

The square root of 7226141 is about 2688.1482474001. The cubic root of 7226141 is about 193.3312877971.

The spelling of 7226141 in words is "seven million, two hundred twenty-six thousand, one hundred forty-one".

Divisors: 1 13 555857 7226141