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147289087 = 1130114447
BaseRepresentation
bin10001100011101…
…11001111111111
3101021011001122101
420301313033333
5300201222322
622340525531
73435636151
oct1061671777
9337131571
10147289087
1176160520
12413b08a7
132469000a
14157c0ad1
15cde6327
hex8c773ff

147289087 has 8 divisors (see below), whose sum is σ = 160768512. Its totient is φ = 133824600.

The previous prime is 147289069. The next prime is 147289099. The reversal of 147289087 is 780982741.

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

It is a cyclic number.

It is not a de Polignac number, because 147289087 - 211 = 147287039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147289027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30898 + ... + 35344.

It is an arithmetic number, because the mean of its divisors is an integer number (20096064).

Almost surely, 2147289087 is an apocalyptic number.

147289087 is a deficient number, since it is larger than the sum of its proper divisors (13479425).

147289087 is a wasteful number, since it uses less digits than its factorization.

147289087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 147289087 is about 12136.2715444242. The cubic root of 147289087 is about 528.1089447963.

The spelling of 147289087 in words is "one hundred forty-seven million, two hundred eighty-nine thousand, eighty-seven".

Divisors: 1 11 3011 4447 33121 48917 13389917 147289087