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15240004134 = 237789326101
BaseRepresentation
bin11100011000110000…
…00000001000100110
31110100002202102110120
432030120000020212
5222202420113014
611000130102410
71046442616635
oct161430001046
943302672416
1015240004134
116510648743
122b53a1aa06
13158b49ba34
14a4805b51c
155e2e21ba9
hex38c600226

15240004134 has 16 divisors (see below), whose sum is σ = 30484014960. Its totient is φ = 5079333600.

The previous prime is 15240004123. The next prime is 15240004151. The reversal of 15240004134 is 43140004251.

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 7 ways as a sum of consecutive naturals, for example, 116317 + ... + 209784.

It is an arithmetic number, because the mean of its divisors is an integer number (1905250935).

Almost surely, 215240004134 is an apocalyptic number.

15240004134 is an abundant number, since it is smaller than the sum of its proper divisors (15244010826).

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

15240004134 is a wasteful number, since it uses less digits than its factorization.

15240004134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333895.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 15240004134 its reverse (43140004251), we get a palindrome (58380008385).

The spelling of 15240004134 in words is "fifteen billion, two hundred forty million, four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7789 15578 23367 46734 326101 652202 978303 1956606 2540000689 5080001378 7620002067 15240004134