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1115948406 = 23185991401
BaseRepresentation
bin100001010000100…
…0000010101110110
32212202212001102110
41002201000111312
54241140322111
6302422351450
736440255616
oct10241002566
92782761373
101115948406
11522a18611
1227188b586
1314a275c01
14a82d0a46
1567e865a6
hex42840576

1115948406 has 8 divisors (see below), whose sum is σ = 2231896824. Its totient is φ = 371982800.

The previous prime is 1115948399. The next prime is 1115948411. The reversal of 1115948406 is 6048495111.

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

1115948406 is an admirable number.

It is a Curzon number.

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, 92995695 + ... + 92995706.

It is an arithmetic number, because the mean of its divisors is an integer number (278987103).

Almost surely, 21115948406 is an apocalyptic number.

1115948406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1115948406 is a wasteful number, since it uses less digits than its factorization.

1115948406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185991406.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1115948406 is about 33405.8139550588. The cubic root of 1115948406 is about 1037.2450526803.

The spelling of 1115948406 in words is "one billion, one hundred fifteen million, nine hundred forty-eight thousand, four hundred six".

Divisors: 1 2 3 6 185991401 371982802 557974203 1115948406