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2857104 = 243219841
BaseRepresentation
bin1010111001100010010000
312101011012200
422321202100
51212411404
6141123200
733166515
oct12714220
95334180
102857104
111681648
12b59500
137905c3
1454530c
153b6839
hex2b9890

2857104 has 30 divisors (see below), whose sum is σ = 7996326. Its totient is φ = 952320.

The previous prime is 2857097. The next prime is 2857123. The reversal of 2857104 is 4017582.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 1299600 = 1248^2 + 1140^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9777 + ... + 10064.

22857104 is an apocalyptic number.

2857104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2857104 is an abundant number, since it is smaller than the sum of its proper divisors (5139222).

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

2857104 is a wasteful number, since it uses less digits than its factorization.

2857104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19855 (or 19846 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2857104 is about 1690.2970153201. The cubic root of 2857104 is about 141.8976979216.

The spelling of 2857104 in words is "two million, eight hundred fifty-seven thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 19841 39682 59523 79364 119046 158728 178569 238092 317456 357138 476184 714276 952368 1428552 2857104