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3012975 = 325271913
BaseRepresentation
bin1011011111100101101111
312200002000200
423133211233
51232403400
6144324543
734416120
oct13374557
95602020
103012975
111778769
121013753
13816534
14586047
153e7b00
hex2df96f

3012975 has 36 divisors (see below), whose sum is σ = 6170736. Its totient is φ = 1376640.

The previous prime is 3012949. The next prime is 3012979. The reversal of 3012975 is 5792103.

It is not a de Polignac number, because 3012975 - 28 = 3012719 is a prime.

3012975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012979) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 619 + ... + 2531.

Almost surely, 23012975 is an apocalyptic number.

3012975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3012975 is an abundant number, since it is smaller than the sum of its proper divisors (3157761).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3012975 is a wasteful number, since it uses less digits than its factorization.

3012975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 3012975 is about 1735.7923262879. The cubic root of 3012975 is about 144.4325823044.

The spelling of 3012975 in words is "three million, twelve thousand, nine hundred seventy-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1575 1913 5739 9565 13391 17217 28695 40173 47825 66955 86085 120519 143475 200865 334775 430425 602595 1004325 3012975