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2972259 = 321312521
BaseRepresentation
bin1011010101101001100011
312121000011200
423111221203
51230103014
6143412243
734156323
oct13255143
95530150
102972259
111750114
12bb4083
13800b44
14575283
153daa09
hex2d5a63

2972259 has 12 divisors (see below), whose sum is σ = 4327752. Its totient is φ = 1965600.

The previous prime is 2972257. The next prime is 2972269. The reversal of 2972259 is 9522792.

It is not a de Polignac number, because 2972259 - 21 = 2972257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2972251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (360646).

22972259 is an apocalyptic number.

2972259 is a deficient number, since it is larger than the sum of its proper divisors (1355493).

2972259 is a wasteful number, since it uses less digits than its factorization.

2972259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2655 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 2972259 is about 1724.0240717577. The cubic root of 2972259 is about 143.7790303058.

It can be divided in two parts, 297 and 2259, that added together give a triangular number (2556 = T71).

The spelling of 2972259 in words is "two million, nine hundred seventy-two thousand, two hundred fifty-nine".

Divisors: 1 3 9 131 393 1179 2521 7563 22689 330251 990753 2972259