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148330191 = 3247719961
BaseRepresentation
bin10001101011101…
…01011011001111
3101100002221202210
420311311123033
5300433031231
622415121503
73450533352
oct1065653317
9340087683
10148330191
1176801739
1241813293
1324965b59
14159b2299
15d04ea46
hex8d756cf

148330191 has 8 divisors (see below), whose sum is σ = 197863344. Its totient is φ = 98841920.

The previous prime is 148330181. The next prime is 148330201. The reversal of 148330191 is 191033841.

It is an interprime number because it is at equal distance from previous prime (148330181) and next prime (148330201).

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 148330191 - 214 = 148313807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148330111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (24732918).

Almost surely, 2148330191 is an apocalyptic number.

148330191 is a deficient number, since it is larger than the sum of its proper divisors (49533153).

148330191 is a wasteful number, since it uses less digits than its factorization.

148330191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22441.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 148330191 is about 12179.0882663687. The cubic root of 148330191 is about 529.3503265385.

The spelling of 148330191 in words is "one hundred forty-eight million, three hundred thirty thousand, one hundred ninety-one".

Divisors: 1 3 2477 7431 19961 59883 49443397 148330191