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148686913 = 17193491319
BaseRepresentation
bin10001101110011…
…00100001000001
3101100210002002201
420313030201001
5301030440123
622430513201
73453550354
oct1067144101
9340702081
10148686913
1176a25751
1241965801
1324a5c32b
1415a6629b
15d0c05ad
hex8dcc841

148686913 has 16 divisors (see below), whose sum is σ = 166320000. Its totient is φ = 132095232.

The previous prime is 148686907. The next prime is 148686917. The reversal of 148686913 is 319686841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148686913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148686917) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 112068 + ... + 113386.

It is an arithmetic number, because the mean of its divisors is an integer number (10395000).

Almost surely, 2148686913 is an apocalyptic number.

It is an amenable number.

148686913 is a deficient number, since it is larger than the sum of its proper divisors (17633087).

148686913 is a wasteful number, since it uses less digits than its factorization.

148686913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 248832, while the sum is 46.

The square root of 148686913 is about 12193.7243285224. The cubic root of 148686913 is about 529.7743349249.

The spelling of 148686913 in words is "one hundred forty-eight million, six hundred eighty-six thousand, nine hundred thirteen".

Divisors: 1 17 19 323 349 1319 5933 6631 22423 25061 112727 426037 460331 7825627 8746289 148686913