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450000454 = 2225000227
BaseRepresentation
bin11010110100100…
…111011001000110
31011100202101120111
4122310213121012
51410200003304
6112353023234
714102640451
oct3264473106
91140671514
10450000454
11211017002
12106854b1a
13722c9c77
1443a9c498
152978d704
hex1ad27646

450000454 has 4 divisors (see below), whose sum is σ = 675000684. Its totient is φ = 225000226.

The previous prime is 450000449. The next prime is 450000469. The reversal of 450000454 is 454000054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454000054 = 2227000027.

It is a super-2 number, since 2×4500004542 = 405000817200412232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112500112 + ... + 112500115.

It is an arithmetic number, because the mean of its divisors is an integer number (168750171).

Almost surely, 2450000454 is an apocalyptic number.

450000454 is a deficient number, since it is larger than the sum of its proper divisors (225000230).

450000454 is a wasteful number, since it uses less digits than its factorization.

450000454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225000229.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 450000454 is about 21213.2141364763. The cubic root of 450000454 is about 766.3096901005.

The spelling of 450000454 in words is "four hundred fifty million, four hundred fifty-four", and thus it is an aban number.

Divisors: 1 2 225000227 450000454