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670225045 = 5773277947
BaseRepresentation
bin100111111100101…
…101001010010101
31201201010221220211
4213330231022111
52333034200140
6150301125421
722415550610
oct4774551225
91651127824
10670225045
11314362aa6
12168559871
13a8b15989
1465027177
153dc902ea
hex27f2d295

670225045 has 32 divisors (see below), whose sum is σ = 936108288. Its totient is φ = 451173888.

The previous prime is 670225043. The next prime is 670225099. The reversal of 670225045 is 540522076.

It is a cyclic number.

It is not a de Polignac number, because 670225045 - 21 = 670225043 is a prime.

It is a super-2 number, since 2×6702250452 = 898403221890504050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670224998 and 670225016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670225043) 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, 707262 + ... + 708208.

It is an arithmetic number, because the mean of its divisors is an integer number (29253384).

Almost surely, 2670225045 is an apocalyptic number.

It is an amenable number.

670225045 is a deficient number, since it is larger than the sum of its proper divisors (265883243).

670225045 is a wasteful number, since it uses less digits than its factorization.

670225045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 670225045 is about 25888.7049695422. The cubic root of 670225045 is about 875.1319724751.

The spelling of 670225045 in words is "six hundred seventy million, two hundred twenty-five thousand, forty-five".

Divisors: 1 5 7 35 73 277 365 511 947 1385 1939 2555 4735 6629 9695 20221 33145 69131 101105 141547 262319 345655 483917 707735 1311595 1836233 2419585 9181165 19149287 95746435 134045009 670225045