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2970285 = 35712789
BaseRepresentation
bin1011010101001010101101
312120220110120
423111022231
51230022120
6143355153
734150503
oct13251255
95526416
102970285
11174968a
12bb2ab9
137ccc86
14574673
153da140
hex2d52ad

2970285 has 16 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 1561280.

The previous prime is 2970281. The next prime is 2970287. The reversal of 2970285 is 5820792.

2970285 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2970285 - 22 = 2970281 is a prime.

2970285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2970281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

22970285 is an apocalyptic number.

It is an amenable number.

2970285 is a deficient number, since it is larger than the sum of its proper divisors (1850835).

2970285 is a wasteful number, since it uses less digits than its factorization.

2970285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2970285 is about 1723.4514788644. The cubic root of 2970285 is about 143.7471933920.

The spelling of 2970285 in words is "two million, nine hundred seventy thousand, two hundred eighty-five".

Divisors: 1 3 5 15 71 213 355 1065 2789 8367 13945 41835 198019 594057 990095 2970285