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BaseRepresentation
bin11010110101000…
…100100101000000
31011100222110120010
4122311010211000
51410212320000
6112355344520
714103646131
oct3265044500
91140873503
10450120000
11211098900
121068b2140
137233c4c5
1443acdc88
15297b3d50

450120000 has 420 divisors, whose sum is σ = 1688559488. Its totient is φ = 105600000.

The previous prime is 450119993. The next prime is 450120053. The reversal of 450120000 is 21054.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 14519985 + ... + 14520015.

Almost surely, 2450120000 is an apocalyptic number.

450120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844279744).

450120000 is an abundant number, since it is smaller than the sum of its proper divisors (1238439488).

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

450120000 is a wasteful number, since it uses less digits than its factorization.

450120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 450120000 is about 21216.0316741845. The cubic root of 450120000 is about 766.3775427336.

Adding to 450120000 its reverse (21054), we get a palindrome (450141054).

The spelling of 450120000 in words is "four hundred fifty million, one hundred twenty thousand".