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1214446141 = 2275349983
BaseRepresentation
bin100100001100010…
…1111101000111101
310010122012020220201
41020120233220331
54441344234031
6320301443501
742044423206
oct11030575075
93118166821
101214446141
115735833a7
1229a870591
131647b19ac
14b74105ad
1571940d61
hex4862fa3d

1214446141 has 4 divisors (see below), whose sum is σ = 1219796352. Its totient is φ = 1209095932.

The previous prime is 1214446139. The next prime is 1214446151. The reversal of 1214446141 is 1416444121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1416444121 = 2361584527.

It is a cyclic number.

It is not a de Polignac number, because 1214446141 - 21 = 1214446139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214446151) 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, 2674765 + ... + 2675218.

It is an arithmetic number, because the mean of its divisors is an integer number (304949088).

Almost surely, 21214446141 is an apocalyptic number.

It is an amenable number.

1214446141 is a deficient number, since it is larger than the sum of its proper divisors (5350211).

1214446141 is an equidigital number, since it uses as much as digits as its factorization.

1214446141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350210.

The product of its digits is 3072, while the sum is 28.

The square root of 1214446141 is about 34848.9044447598. The cubic root of 1214446141 is about 1066.9058253561.

It can be divided in two parts, 12144 and 46141, that added together give a palindrome (58285).

The spelling of 1214446141 in words is "one billion, two hundred fourteen million, four hundred forty-six thousand, one hundred forty-one".

Divisors: 1 227 5349983 1214446141