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2987258 = 24873067
BaseRepresentation
bin1011011001010011111010
312121202202012
423121103322
51231043013
6144005522
734251131
oct13312372
95552665
102987258
11176040a
1210008a2
13807911
1457a918
153e01a8
hex2d94fa

2987258 has 8 divisors (see below), whose sum is σ = 4491552. Its totient is φ = 1490076.

The previous prime is 2987251. The next prime is 2987279. The reversal of 2987258 is 8527892.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2987251) 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 3 ways as a sum of consecutive naturals, for example, 560 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (561444).

22987258 is an apocalyptic number.

2987258 is a deficient number, since it is larger than the sum of its proper divisors (1504294).

2987258 is a wasteful number, since it uses less digits than its factorization.

2987258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556.

The product of its digits is 80640, while the sum is 41.

The square root of 2987258 is about 1728.3685949473. The cubic root of 2987258 is about 144.0204767691.

The spelling of 2987258 in words is "two million, nine hundred eighty-seven thousand, two hundred fifty-eight".

Divisors: 1 2 487 974 3067 6134 1493629 2987258