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14211140 = 225710557
BaseRepresentation
bin110110001101…
…100001000100
3222202000000112
4312031201010
512114224030
61224332152
7231535616
oct66154104
928660015
1014211140
118027049
124914058
132c37578
141c5cdb6
1513aaa95
hexd8d844

14211140 has 12 divisors (see below), whose sum is σ = 29843436. Its totient is φ = 5684448.

The previous prime is 14211137. The next prime is 14211143. The reversal of 14211140 is 4111241.

It is an interprime number because it is at equal distance from previous prime (14211137) and next prime (14211143).

It can be written as a sum of positive squares in 2 ways, for example, as 7941124 + 6270016 = 2818^2 + 2504^2 .

It is not an unprimeable number, because it can be changed into a prime (14211143) 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, 355259 + ... + 355298.

It is an arithmetic number, because the mean of its divisors is an integer number (2486953).

Almost surely, 214211140 is an apocalyptic number.

14211140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14211140 is an abundant number, since it is smaller than the sum of its proper divisors (15632296).

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

14211140 is a wasteful number, since it uses less digits than its factorization.

14211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710566 (or 710564 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 14211140 is about 3769.7665710227. The cubic root of 14211140 is about 242.2197989389.

Adding to 14211140 its reverse (4111241), we get a palindrome (18322381).

The spelling of 14211140 in words is "fourteen million, two hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 710557 1421114 2842228 3552785 7105570 14211140