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3081272 = 23385159
BaseRepresentation
bin1011110000010000111000
312210112201012
423300100320
51242100042
6150013052
735122205
oct13602070
95715635
103081272
111815007
121047188
1383b64c
145a2cac
1540ce82
hex2f0438

3081272 has 8 divisors (see below), whose sum is σ = 5777400. Its totient is φ = 1540632.

The previous prime is 3081271. The next prime is 3081311. The reversal of 3081272 is 2721803.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192572 + ... + 192587.

It is an arithmetic number, because the mean of its divisors is an integer number (722175).

Almost surely, 23081272 is an apocalyptic number.

It is an amenable number.

3081272 is a deficient number, since it is larger than the sum of its proper divisors (2696128).

3081272 is a wasteful number, since it uses less digits than its factorization.

3081272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385165 (or 385161 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3081272 is about 1755.3552347032. The cubic root of 3081272 is about 145.5157535011.

The spelling of 3081272 in words is "three million, eighty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 385159 770318 1540636 3081272