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2080170 = 232529797
BaseRepresentation
bin111111011110110101010
310220200110100
413323312222
51013031140
6112330230
723452431
oct7736652
93820410
102080170
1111a0954
12843976
1357aa91
143c2118
152b1530
hex1fbdaa

2080170 has 48 divisors (see below), whose sum is σ = 5601960. Its totient is φ = 534912.

The previous prime is 2080157. The next prime is 2080201. The reversal of 2080170 is 710802.

It can be written as a sum of positive squares in 4 ways, for example, as 1671849 + 408321 = 1293^2 + 639^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2212 + ... + 3008.

22080170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2080170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2800980).

2080170 is an abundant number, since it is smaller than the sum of its proper divisors (3521790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2080170 is a wasteful number, since it uses less digits than its factorization.

2080170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 2080170 is about 1442.2794458773. The cubic root of 2080170 is about 127.6535635290.

Adding to 2080170 its reverse (710802), we get a palindrome (2790972).

The spelling of 2080170 in words is "two million, eighty thousand, one hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 797 870 1305 1594 2391 2610 3985 4782 7173 7970 11955 14346 23113 23910 35865 46226 69339 71730 115565 138678 208017 231130 346695 416034 693390 1040085 2080170