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2857072 = 24178567
BaseRepresentation
bin1010111001100001110000
312101011011111
422321201300
51212411242
6141123104
733166441
oct12714160
95334144
102857072
111681619
12b59494
1379059a
145452c8
153b6817
hex2b9870

2857072 has 10 divisors (see below), whose sum is σ = 5535608. Its totient is φ = 1428528.

The previous prime is 2857067. The next prime is 2857073. The reversal of 2857072 is 2707582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89268 + ... + 89299.

22857072 is an apocalyptic number.

It is an amenable number.

2857072 is a deficient number, since it is larger than the sum of its proper divisors (2678536).

2857072 is a wasteful number, since it uses less digits than its factorization.

2857072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178575 (or 178569 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2857072 is about 1690.2875495016. The cubic root of 2857072 is about 141.8971681611.

The spelling of 2857072 in words is "two million, eight hundred fifty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 178567 357134 714268 1428536 2857072