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2171130 = 2351319293
BaseRepresentation
bin1000010010000011111010
311002022020020
420102003322
51023434010
6114311310
724311553
oct10220372
94068206
102171130
111253225
12888536
135b02c0
1440732a
152cd470
hex2120fa

2171130 has 64 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 504576.

The previous prime is 2171119. The next prime is 2171159. The reversal of 2171130 is 311712.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7264 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (92610).

22171130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2171130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963520).

2171130 is an abundant number, since it is smaller than the sum of its proper divisors (3755910).

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

2171130 is a wasteful number, since it uses less digits than its factorization.

2171130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 2171130 is about 1473.4754833386. The cubic root of 2171130 is about 129.4877276027.

Adding to 2171130 its reverse (311712), we get a palindrome (2482842).

The spelling of 2171130 in words is "two million, one hundred seventy-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 19 26 30 38 39 57 65 78 95 114 130 190 195 247 285 293 390 494 570 586 741 879 1235 1465 1482 1758 2470 2930 3705 3809 4395 5567 7410 7618 8790 11134 11427 16701 19045 22854 27835 33402 38090 55670 57135 72371 83505 114270 144742 167010 217113 361855 434226 723710 1085565 2171130