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455312142 = 232241104959
BaseRepresentation
bin11011001000111…
…000001100001110
31011201202020211200
4123020320030032
51413024442032
6113102530330
714166042435
oct3310701416
91151666750
10455312142
1121401482a
121085969a6
137343988c
144468211c
1529e8c47c
hex1b23830e

455312142 has 24 divisors (see below), whose sum is σ = 990612480. Its totient is φ = 151139520.

The previous prime is 455312131. The next prime is 455312147. The reversal of 455312142 is 241213554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455312147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48142 + ... + 56817.

It is an arithmetic number, because the mean of its divisors is an integer number (41275520).

Almost surely, 2455312142 is an apocalyptic number.

455312142 is an abundant number, since it is smaller than the sum of its proper divisors (535300338).

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

455312142 is a wasteful number, since it uses less digits than its factorization.

455312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105208 (or 105205 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 455312142 is about 21338.0444745998. The cubic root of 455312142 is about 769.3130106874.

Adding to 455312142 its reverse (241213554), we get a palindrome (696525696).

The spelling of 455312142 in words is "four hundred fifty-five million, three hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 241 482 723 1446 2169 4338 104959 209918 314877 629754 944631 1889262 25295119 50590238 75885357 151770714 227656071 455312142