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670573085 = 572131731217
BaseRepresentation
bin100111111110000…
…010001000011101
31201201210122100012
4213332002020131
52333131314320
6150312413005
722421530400
oct4776021035
91651718305
10670573085
11314580536
121686a7165
13a8c08210
14650b7d37
153dd0d4c5
hex27f8221d

670573085 has 48 divisors (see below), whose sum is σ = 1014730416. Its totient is φ = 421650432.

The previous prime is 670573067. The next prime is 670573091. The reversal of 670573085 is 580375076.

670573085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8076964 + 662496121 = 2842^2 + 25739^2 .

It is not a de Polignac number, because 670573085 - 212 = 670568989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550397 + ... + 551613.

It is an arithmetic number, because the mean of its divisors is an integer number (21140217).

Almost surely, 2670573085 is an apocalyptic number.

670573085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

670573085 is a deficient number, since it is larger than the sum of its proper divisors (344157331).

670573085 is a wasteful number, since it uses less digits than its factorization.

670573085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 670573085 is about 25895.4259474526. The cubic root of 670573085 is about 875.2834281826.

The spelling of 670573085 in words is "six hundred seventy million, five hundred seventy-three thousand, eighty-five".

Divisors: 1 5 7 13 35 49 65 91 173 245 455 637 865 1211 1217 2249 3185 6055 6085 8477 8519 11245 15743 15821 42385 42595 59633 78715 79105 110201 110747 210541 298165 551005 553735 775229 1052705 1473787 2737033 3876145 7368935 10316509 13685165 19159231 51582545 95796155 134114617 670573085