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2872775 = 52151761
BaseRepresentation
bin1010111101010111000111
312101221201002
422331113013
51213412100
6141323515
733263303
oct12752707
95357632
102872775
1116923a4
12b6659b
13797789
1454ad03
153bb2d5
hex2bd5c7

2872775 has 12 divisors (see below), whose sum is σ = 3590544. Its totient is φ = 2280000.

The previous prime is 2872763. The next prime is 2872777. The reversal of 2872775 is 5772782.

It is not a de Polignac number, because 2872775 - 216 = 2807239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3395 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (299212).

22872775 is an apocalyptic number.

2872775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2872775 is a deficient number, since it is larger than the sum of its proper divisors (717769).

2872775 is a wasteful number, since it uses less digits than its factorization.

2872775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 917 counting only the distinct ones).

The product of its digits is 54880, while the sum is 38.

The square root of 2872775 is about 1694.9262520830. The cubic root of 2872775 is about 142.1566577632.

The spelling of 2872775 in words is "two million, eight hundred seventy-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 151 755 761 3775 3805 19025 114911 574555 2872775