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70250375 = 5313172543
BaseRepresentation
bin1000010111111…
…10111110000111
311220012002101202
410023332332013
5120441003000
610545413115
71512055406
oct413767607
9156162352
1070250375
1136722168
121b63a19b
1311728790
14948963d
156279dd5
hex42fef87

70250375 has 32 divisors (see below), whose sum is σ = 100009728. Its totient is φ = 48806400.

The previous prime is 70250363. The next prime is 70250377. The reversal of 70250375 is 57305207.

It is not a de Polignac number, because 70250375 - 210 = 70249351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70250377) 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 31 ways as a sum of consecutive naturals, for example, 26354 + ... + 28896.

It is an arithmetic number, because the mean of its divisors is an integer number (3125304).

Almost surely, 270250375 is an apocalyptic number.

70250375 is a deficient number, since it is larger than the sum of its proper divisors (29759353).

70250375 is a wasteful number, since it uses less digits than its factorization.

70250375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 70250375 is about 8381.5496777147. The cubic root of 70250375 is about 412.6193104524.

The spelling of 70250375 in words is "seventy million, two hundred fifty thousand, three hundred seventy-five".

Divisors: 1 5 13 17 25 65 85 125 221 325 425 1105 1625 2125 2543 5525 12715 27625 33059 43231 63575 165295 216155 317875 562003 826475 1080775 2810015 4132375 5403875 14050075 70250375