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1128538454 = 2946359629
BaseRepresentation
bin100001101000100…
…0010000101010110
32220122112200201112
41003101002011112
54302401212304
6303552255022
736652263401
oct10321020526
92818480645
101128538454
1152a03770a
12275b41472
1314ca63644
14a9c4ad38
1569121b6e
hex43442156

1128538454 has 8 divisors (see below), whose sum is σ = 1693014960. Its totient is φ = 564200136.

The previous prime is 1128538429. The next prime is 1128538501. The reversal of 1128538454 is 4548358211.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 10889 + ... + 48740.

It is an arithmetic number, because the mean of its divisors is an integer number (211626870).

Almost surely, 21128538454 is an apocalyptic number.

1128538454 is a deficient number, since it is larger than the sum of its proper divisors (564476506).

1128538454 is an equidigital number, since it uses as much as digits as its factorization.

1128538454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69094.

The product of its digits is 153600, while the sum is 41.

The square root of 1128538454 is about 33593.7264083638. The cubic root of 1128538454 is about 1041.1311822866.

The spelling of 1128538454 in words is "one billion, one hundred twenty-eight million, five hundred thirty-eight thousand, four hundred fifty-four".

Divisors: 1 2 9463 18926 59629 119258 564269227 1128538454