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2970565 = 513231987
BaseRepresentation
bin1011010101001111000101
312120220211221
423111033011
51230024230
6143400341
734151353
oct13251705
95526757
102970565
111749914
12bb30b1
13800140
145747d3
153da27a
hex2d53c5

2970565 has 16 divisors (see below), whose sum is σ = 4007808. Its totient is φ = 2097216.

The previous prime is 2970559. The next prime is 2970599. The reversal of 2970565 is 5650792.

It is a cyclic number.

It is not a de Polignac number, because 2970565 - 25 = 2970533 is a prime.

It is a Duffinian number.

2970565 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2970565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502 + ... + 2488.

It is an arithmetic number, because the mean of its divisors is an integer number (250488).

22970565 is an apocalyptic number.

It is an amenable number.

2970565 is a deficient number, since it is larger than the sum of its proper divisors (1037243).

2970565 is a wasteful number, since it uses less digits than its factorization.

2970565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2970565 is about 1723.5327092922. The cubic root of 2970565 is about 143.7517101246.

The spelling of 2970565 in words is "two million, nine hundred seventy thousand, five hundred sixty-five".

Divisors: 1 5 13 23 65 115 299 1495 1987 9935 25831 45701 129155 228505 594113 2970565