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450213461 = 1792515159
BaseRepresentation
bin11010110101011…
…011011001010101
31011101011012202122
4122311123121111
51410223312321
6112401345325
714104515455
oct3265333125
91141135678
10450213461
11211152045
12106938245
1372372bc9
1443b15d65
15297d18ab
hex1ad5b655

450213461 has 4 divisors (see below), whose sum is σ = 452728800. Its totient is φ = 447698124.

The previous prime is 450213437. The next prime is 450213473. The reversal of 450213461 is 164312054.

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: 164312054 = 282156027.

It is a cyclic number.

It is not a de Polignac number, because 450213461 - 210 = 450212437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450213461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450213161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257401 + ... + 1257758.

It is an arithmetic number, because the mean of its divisors is an integer number (113182200).

Almost surely, 2450213461 is an apocalyptic number.

It is an amenable number.

450213461 is a deficient number, since it is larger than the sum of its proper divisors (2515339).

450213461 is a wasteful number, since it uses less digits than its factorization.

450213461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515338.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 450213461 is about 21218.2341630966. The cubic root of 450213461 is about 766.4305815194.

The spelling of 450213461 in words is "four hundred fifty million, two hundred thirteen thousand, four hundred sixty-one".

Divisors: 1 179 2515159 450213461