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2972270 = 25742461
BaseRepresentation
bin1011010101101001101110
312121000012002
423111221232
51230103040
6143412302
734156340
oct13255156
95530162
102972270
111750124
12bb4092
13800b52
14575290
153daa15
hex2d5a6e

2972270 has 16 divisors (see below), whose sum is σ = 6114528. Its totient is φ = 1019040.

The previous prime is 2972269. The next prime is 2972279. The reversal of 2972270 is 722792.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972279) 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 7 ways as a sum of consecutive naturals, for example, 21161 + ... + 21300.

It is an arithmetic number, because the mean of its divisors is an integer number (382158).

22972270 is an apocalyptic number.

2972270 is an abundant number, since it is smaller than the sum of its proper divisors (3142258).

2972270 is a wasteful number, since it uses less digits than its factorization.

2972270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42475.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2972270 is about 1724.0272619654. The cubic root of 2972270 is about 143.7792076757.

It can be divided in two parts, 29722 and 70, that added together give a palindrome (29792).

The spelling of 2972270 in words is "two million, nine hundred seventy-two thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 42461 84922 212305 297227 424610 594454 1486135 2972270