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2872030 = 25789461
BaseRepresentation
bin1010111101001011011110
312101220200111
422331023132
51213401110
6141320234
733261160
oct12751336
95356614
102872030
111691887
12b6607a
13797335
1454a930
153bae8a
hex2bd2de

2872030 has 32 divisors (see below), whose sum is σ = 5987520. Its totient is φ = 971520.

The previous prime is 2872027. The next prime is 2872043. The reversal of 2872030 is 302782.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2871992 and 2872010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6000 + ... + 6460.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

22872030 is an apocalyptic number.

2872030 is an abundant number, since it is smaller than the sum of its proper divisors (3115490).

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

2872030 is a wasteful number, since it uses less digits than its factorization.

2872030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2872030 is about 1694.7064642586. The cubic root of 2872030 is about 142.1443681516.

The spelling of 2872030 in words is "two million, eight hundred seventy-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 89 178 445 461 623 890 922 1246 2305 3115 3227 4610 6230 6454 16135 32270 41029 82058 205145 287203 410290 574406 1436015 2872030