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450633128 = 23115120831
BaseRepresentation
bin11010110111000…
…001110110101000
31011101221112102212
4122313001312220
51410330230003
6112414344252
714111214131
oct3267016650
91141845385
10450633128
11211409380
12106abb088
137248bc2a
1443bc4c88
1529865dd8
hex1adc1da8

450633128 has 16 divisors (see below), whose sum is σ = 921749760. Its totient is φ = 204833200.

The previous prime is 450633119. The next prime is 450633149. The reversal of 450633128 is 821336054.

It is a junction number, because it is equal to n+sod(n) for n = 450633094 and 450633103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560328 + ... + 2560503.

It is an arithmetic number, because the mean of its divisors is an integer number (57609360).

Almost surely, 2450633128 is an apocalyptic number.

It is an amenable number.

450633128 is an abundant number, since it is smaller than the sum of its proper divisors (471116632).

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

450633128 is a wasteful number, since it uses less digits than its factorization.

450633128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120848 (or 5120844 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 450633128 is about 21228.1211603853. The cubic root of 450633128 is about 766.6686506145.

The spelling of 450633128 in words is "four hundred fifty million, six hundred thirty-three thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 11 22 44 88 5120831 10241662 20483324 40966648 56329141 112658282 225316564 450633128