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1542048906 = 23257008151
BaseRepresentation
bin101101111101001…
…1100110010001010
310222110122012102110
41123322130302022
511124231031111
6413003243150
753133125256
oct13372346212
93873565373
101542048906
117214a0192
123705194b6
131b7625598
14108b2b266
15905a35a6
hex5be9cc8a

1542048906 has 8 divisors (see below), whose sum is σ = 3084097824. Its totient is φ = 514016300.

The previous prime is 1542048899. The next prime is 1542048913. The reversal of 1542048906 is 6098402451.

It is an interprime number because it is at equal distance from previous prime (1542048899) and next prime (1542048913).

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

1542048906 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128504070 + ... + 128504081.

It is an arithmetic number, because the mean of its divisors is an integer number (385512228).

Almost surely, 21542048906 is an apocalyptic number.

1542048906 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.

1542048906 is a wasteful number, since it uses less digits than its factorization.

1542048906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257008156.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1542048906 is about 39268.9305431151. The cubic root of 1542048906 is about 1155.3122612913.

The spelling of 1542048906 in words is "one billion, five hundred forty-two million, forty-eight thousand, nine hundred six".

Divisors: 1 2 3 6 257008151 514016302 771024453 1542048906