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2870073 = 3631127
BaseRepresentation
bin1010111100101100111001
312101211000000
422330230321
51213320243
6141303213
733252363
oct12745471
95354000
102870073
111690368
12b64b09
1379648b
14549d33
153ba5d3
hex2bcb39

2870073 has 28 divisors (see below), whose sum is σ = 4476928. Its totient is φ = 1837080.

The previous prime is 2870051. The next prime is 2870081. The reversal of 2870073 is 3700782.

It is not a de Polignac number, because 2870073 - 212 = 2865977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2870473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 22536 + ... + 22662.

22870073 is an apocalyptic number.

It is an amenable number.

2870073 is a deficient number, since it is larger than the sum of its proper divisors (1606855).

2870073 is an equidigital number, since it uses as much as digits as its factorization.

2870073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2870073 is about 1694.1289797415. The cubic root of 2870073 is about 142.1120751121.

The spelling of 2870073 in words is "two million, eight hundred seventy thousand, seventy-three".

Divisors: 1 3 9 27 31 81 93 127 243 279 381 729 837 1143 2511 3429 3937 7533 10287 11811 22599 30861 35433 92583 106299 318897 956691 2870073