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148130860 = 22517435679
BaseRepresentation
bin10001101010001…
…00110000101100
3101022201211100011
420311010300230
5300410141420
622410543004
73446043253
oct1065046054
9338654304
10148130860
11766859a9
1241737a64
13248c61c7
141595d79a
15d01095a
hex8d44c2c

148130860 has 24 divisors (see below), whose sum is σ = 329374080. Its totient is φ = 55766784.

The previous prime is 148130819. The next prime is 148130861. The reversal of 148130860 is 68031841.

148130860 = T9936 + T9937 + T9938.

It is a super-3 number, since 3×1481308603 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (148130861) 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 7 ways as a sum of consecutive naturals, for example, 217500 + ... + 218179.

It is an arithmetic number, because the mean of its divisors is an integer number (13723920).

Almost surely, 2148130860 is an apocalyptic number.

148130860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148130860 is the 9938-th centered triangular number.

It is an amenable number.

148130860 is an abundant number, since it is smaller than the sum of its proper divisors (181243220).

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

148130860 is a wasteful number, since it uses less digits than its factorization.

148130860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435705 (or 435703 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 148130860 is about 12170.9021851299. The cubic root of 148130860 is about 529.1131007703.

The spelling of 148130860 in words is "one hundred forty-eight million, one hundred thirty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 435679 871358 1742716 2178395 4356790 7406543 8713580 14813086 29626172 37032715 74065430 148130860