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670242075 = 35243613407
BaseRepresentation
bin100111111100110…
…001010100011011
31201201011211021120
4213330301110123
52333040221300
6150301340323
722415651346
oct4774612433
91651154246
10670242075
11314374878
121685676a3
13a8b20659
146502d45d
153dc953a0
hex27f3151b

670242075 has 48 divisors (see below), whose sum is σ = 1152830976. Its totient is φ = 343324800.

The previous prime is 670242049. The next prime is 670242107. The reversal of 670242075 is 570242076.

It is not a de Polignac number, because 670242075 - 29 = 670241563 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 195022 + ... + 198428.

It is an arithmetic number, because the mean of its divisors is an integer number (24017312).

Almost surely, 2670242075 is an apocalyptic number.

670242075 is a deficient number, since it is larger than the sum of its proper divisors (482588901).

670242075 is a wasteful number, since it uses less digits than its factorization.

670242075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 670242075 is about 25889.0338753689. The cubic root of 670242075 is about 875.1393845980.

Subtracting from 670242075 its reverse (570242076), we obtain a palindrome (99999999).

The spelling of 670242075 in words is "six hundred seventy million, two hundred forty-two thousand, seventy-five".

Divisors: 1 3 5 15 25 43 61 75 129 183 215 305 645 915 1075 1525 2623 3225 3407 4575 7869 10221 13115 17035 39345 51105 65575 85175 146501 196725 207827 255525 439503 623481 732505 1039135 2197515 3117405 3662525 5195675 8936561 10987575 15587025 26809683 44682805 134048415 223414025 670242075