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148105027 = 7233132939
BaseRepresentation
bin10001101001111…
…10011101000011
3101022200111220101
420310332131003
5300403330102
622410223231
73445605040
oct1064763503
9338614811
10148105027
1176668554
1241724b17
13248b7515
14159541c7
15d007e87
hex8d3e743

148105027 has 16 divisors (see below), whose sum is σ = 177246720. Its totient is φ = 120998592.

The previous prime is 148105007. The next prime is 148105049. The reversal of 148105027 is 720501841.

It is a cyclic number.

It is not a de Polignac number, because 148105027 - 27 = 148104899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148104986 and 148105004.

It is not an unprimeable number, because it can be changed into a prime (148105007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48924 + ... + 51862.

It is an arithmetic number, because the mean of its divisors is an integer number (11077920).

Almost surely, 2148105027 is an apocalyptic number.

148105027 is a deficient number, since it is larger than the sum of its proper divisors (29141693).

148105027 is a wasteful number, since it uses less digits than its factorization.

148105027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 148105027 is about 12169.8408781709. The cubic root of 148105027 is about 529.0823410907.

Adding to 148105027 its reverse (720501841), we get a palindrome (868606868).

The spelling of 148105027 in words is "one hundred forty-eight million, one hundred five thousand, twenty-seven".

Divisors: 1 7 23 161 313 2191 2939 7199 20573 50393 67597 473179 919907 6439349 21157861 148105027