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148394785 = 57211174179
BaseRepresentation
bin10001101100001…
…01001100100001
3101100020020101011
420312011030201
5300442113120
622420340521
73451222600
oct1066051441
9340206334
10148394785
1176846220
1241844741
1324989386
14159cba37
15d063c5a
hex8d85321

148394785 has 96 divisors (see below), whose sum is σ = 248209920. Its totient is φ = 83865600.

The previous prime is 148394783. The next prime is 148394821. The reversal of 148394785 is 587493841.

It is not a de Polignac number, because 148394785 - 21 = 148394783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

Its product of digits (967680) is a multiple of the sum of its prime divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148394783) 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 95 ways as a sum of consecutive naturals, for example, 1878376 + ... + 1878454.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2148394785 is an apocalyptic number.

It is an amenable number.

148394785 is a deficient number, since it is larger than the sum of its proper divisors (99815135).

148394785 is a wasteful number, since it uses less digits than its factorization.

148394785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 160 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 148394785 is about 12181.7398182690. The cubic root of 148394785 is about 529.4271548915.

The spelling of 148394785 in words is "one hundred forty-eight million, three hundred ninety-four thousand, seven hundred eighty-five".

Divisors: 1 5 7 11 17 35 41 49 55 77 79 85 119 187 205 245 287 385 395 451 539 553 595 697 833 869 935 1309 1343 1435 2009 2255 2695 2765 3157 3239 3485 3871 4165 4345 4879 6083 6545 6715 7667 9163 9401 10045 14773 15785 16195 19355 22099 22673 24395 30415 34153 35629 38335 42581 45815 47005 53669 55063 65807 73865 103411 110495 113365 158711 170765 178145 212905 249403 268345 275315 329035 375683 385441 517055 605693 723877 793555 1247015 1745821 1878415 1927205 2698087 3028465 3619385 4239851 8729105 13490435 21199255 29678957 148394785