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2531070 = 232528123
BaseRepresentation
bin1001101001111011111110
311202120222100
421221323332
51121443240
6130125530
730341133
oct11517376
94676870
102531070
1114796a3
12a208a6
136a8099
1449c58a
1534ee30
hex269efe

2531070 has 24 divisors (see below), whose sum is σ = 6581016. Its totient is φ = 674928.

The previous prime is 2531069. The next prime is 2531083. The reversal of 2531070 is 701352.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13972 + ... + 14151.

It is an arithmetic number, because the mean of its divisors is an integer number (274209).

22531070 is an apocalyptic number.

2531070 is an abundant number, since it is smaller than the sum of its proper divisors (4049946).

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

2531070 is a wasteful number, since it uses less digits than its factorization.

2531070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28136 (or 28133 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 2531070 is about 1590.9336881215. The cubic root of 2531070 is about 136.2808139492.

The spelling of 2531070 in words is "two million, five hundred thirty-one thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 28123 56246 84369 140615 168738 253107 281230 421845 506214 843690 1265535 2531070