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2872769 = 23295973
BaseRepresentation
bin1010111101010111000001
312101221200212
422331113001
51213412034
6141323505
733263264
oct12752701
95357625
102872769
111692399
12b66595
13797783
1454acdb
153bb2ce
hex2bd5c1

2872769 has 16 divisors (see below), whose sum is σ = 3196800. Its totient is φ = 2572416.

The previous prime is 2872763. The next prime is 2872777. The reversal of 2872769 is 9672782.

It is not a de Polignac number, because 2872769 - 212 = 2868673 is a prime.

It is a super-2 number, since 2×28727692 = 16505603454722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2872763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39317 + ... + 39389.

It is an arithmetic number, because the mean of its divisors is an integer number (199800).

22872769 is an apocalyptic number.

2872769 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2872769 is a deficient number, since it is larger than the sum of its proper divisors (324031).

2872769 is a wasteful number, since it uses less digits than its factorization.

2872769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its digits is 84672, while the sum is 41.

The square root of 2872769 is about 1694.9244820935. The cubic root of 2872769 is about 142.1565587949.

The spelling of 2872769 in words is "two million, eight hundred seventy-two thousand, seven hundred sixty-nine".

Divisors: 1 23 29 59 73 667 1357 1679 1711 2117 4307 39353 48691 99061 124903 2872769