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2872873 = 4371941
BaseRepresentation
bin1010111101011000101001
312101221211201
422331120221
51213412443
6141324201
733263503
oct12753051
95357751
102872873
111692483
12b66661
13797833
1454ad73
153bb34d
hex2bd629

2872873 has 8 divisors (see below), whose sum is σ = 2984256. Its totient is φ = 2763600.

The previous prime is 2872853. The next prime is 2872889. The reversal of 2872873 is 3782782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2872873 - 213 = 2864681 is a prime.

It is a d-powerful number, because it can be written as 218 + 82 + 77 + 219 + 86 + 77 + 311 .

It is a Duffinian number.

2872873 is a lucky number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2872823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (373032).

22872873 is an apocalyptic number.

It is an amenable number.

2872873 is a deficient number, since it is larger than the sum of its proper divisors (111383).

2872873 is an equidigital number, since it uses as much as digits as its factorization.

2872873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its digits is 37632, while the sum is 37.

The square root of 2872873 is about 1694.9551616488. The cubic root of 2872873 is about 142.1582742251.

Subtracting 2872873 from its reverse (3782782), we obtain a palindrome (909909).

It can be divided in two parts, 287 and 2873, that added together give a triangular number (3160 = T79).

The spelling of 2872873 in words is "two million, eight hundred seventy-two thousand, eight hundred seventy-three".

Divisors: 1 43 71 941 3053 40463 66811 2872873