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2806872 = 233116953
BaseRepresentation
bin1010101101010001011000
312021121022020
422231101120
51204304442
6140054440
732600205
oct12552130
95247266
102806872
111647932
12b34420
13773793
14530cac
153a69ec
hex2ad458

2806872 has 16 divisors (see below), whose sum is σ = 7017240. Its totient is φ = 935616.

The previous prime is 2806861. The next prime is 2806907. The reversal of 2806872 is 2786082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58453 + ... + 58500.

22806872 is an apocalyptic number.

It is an amenable number.

2806872 is an abundant number, since it is smaller than the sum of its proper divisors (4210368).

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

2806872 is a wasteful number, since it uses less digits than its factorization.

2806872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116962 (or 116958 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2806872 is about 1675.3721974534. The cubic root of 2806872 is about 141.0611876681.

The spelling of 2806872 in words is "two million, eight hundred six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 116953 233906 350859 467812 701718 935624 1403436 2806872