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2642312 = 23330289
BaseRepresentation
bin1010000101000110001000
311222020120102
422011012020
51134023222
6132344532
731313351
oct12050610
94866512
102642312
111545232
12a75148
137168ca
144cad28
15372d92
hex285188

2642312 has 8 divisors (see below), whose sum is σ = 4954350. Its totient is φ = 1321152.

The previous prime is 2642291. The next prime is 2642323. The reversal of 2642312 is 2132462.

It can be written as a sum of positive squares in only one way, i.e., 2477476 + 164836 = 1574^2 + 406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 27 + 62 + 45 + 219 + 39 + 1 + 221 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165137 + ... + 165152.

22642312 is an apocalyptic number.

It is an amenable number.

2642312 is a deficient number, since it is larger than the sum of its proper divisors (2312038).

2642312 is a wasteful number, since it uses less digits than its factorization.

2642312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330295 (or 330291 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2642312 is about 1625.5189940447. The cubic root of 2642312 is about 138.2487985316.

Adding to 2642312 its reverse (2132462), we get a palindrome (4774774).

The spelling of 2642312 in words is "two million, six hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 330289 660578 1321156 2642312