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2997231 = 31952583
BaseRepresentation
bin1011011011101111101111
312122021102120
423123233233
51231402411
6144124023
734322166
oct13335757
95567376
102997231
111767956
121006613
1380c313
145803dd
153e3106
hex2dbbef

2997231 has 8 divisors (see below), whose sum is σ = 4206720. Its totient is φ = 1892952.

The previous prime is 2997227. The next prime is 2997233. The reversal of 2997231 is 1327992.

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

It is not a de Polignac number, because 2997231 - 22 = 2997227 is a prime.

It is a super-2 number, since 2×29972312 = 17966787334722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2997192 and 2997201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26235 + ... + 26348.

It is an arithmetic number, because the mean of its divisors is an integer number (525840).

22997231 is an apocalyptic number.

2997231 is a deficient number, since it is larger than the sum of its proper divisors (1209489).

2997231 is a wasteful number, since it uses less digits than its factorization.

2997231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52605.

The product of its digits is 6804, while the sum is 33.

The square root of 2997231 is about 1731.2512815880. The cubic root of 2997231 is about 144.1805701598.

It can be divided in two parts, 29972 and 31, that added together give a palindrome (30003).

The spelling of 2997231 in words is "two million, nine hundred ninety-seven thousand, two hundred thirty-one".

Divisors: 1 3 19 57 52583 157749 999077 2997231