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3005415 = 325722947
BaseRepresentation
bin1011011101101111100111
312122200122200
423131233213
51232133130
6144225543
734355100
oct13355747
95580580
103005415
111773016
12100b2b3
13812c6a
145833a7
153e5760
hex2ddbe7

3005415 has 72 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 1298304.

The previous prime is 3005393. The next prime is 3005417. The reversal of 3005415 is 5145003.

It is not a de Polignac number, because 3005415 - 25 = 3005383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005417) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63922 + ... + 63968.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

Almost surely, 23005415 is an apocalyptic number.

3005415 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3005415 is an abundant number, since it is smaller than the sum of its proper divisors (3396825).

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

3005415 is a wasteful number, since it uses less digits than its factorization.

3005415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3005415 is about 1733.6132786755. The cubic root of 3005415 is about 144.3116802223.

The spelling of 3005415 in words is "three million, five thousand, four hundred fifteen".

Divisors: 1 3 5 7 9 15 21 29 35 45 47 49 63 87 105 141 145 147 203 235 245 261 315 329 423 435 441 609 705 735 987 1015 1305 1363 1421 1645 1827 2115 2205 2303 2961 3045 4089 4263 4935 6815 6909 7105 9135 9541 11515 12267 12789 14805 20445 20727 21315 28623 34545 47705 61335 63945 66787 85869 103635 143115 200361 333935 429345 601083 1001805 3005415