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2991214 = 25328219
BaseRepresentation
bin1011011010010001101110
312121222011201
423122101232
51231204324
6144040114
734265512
oct13322156
95558151
102991214
111763386
12100303a
13809665
1457c142
153e1444
hex2da46e

2991214 has 8 divisors (see below), whose sum is σ = 4571640. Its totient is φ = 1467336.

The previous prime is 2991203. The next prime is 2991217. The reversal of 2991214 is 4121992.

It is a happy number.

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

It is a super-2 number, since 2×29912142 = 17894722387592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14004 + ... + 14215.

It is an arithmetic number, because the mean of its divisors is an integer number (571455).

22991214 is an apocalyptic number.

2991214 is a deficient number, since it is larger than the sum of its proper divisors (1580426).

2991214 is a wasteful number, since it uses less digits than its factorization.

2991214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274.

The product of its digits is 1296, while the sum is 28.

The square root of 2991214 is about 1729.5126481180. The cubic root of 2991214 is about 144.0840237508.

The spelling of 2991214 in words is "two million, nine hundred ninety-one thousand, two hundred fourteen".

Divisors: 1 2 53 106 28219 56438 1495607 2991214