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3005282421 = 321997181183
BaseRepresentation
bin1011001100100000…
…1111100001110101
321202102222011110100
42303020033201311
522123323014141
61214113344313
7134321323221
oct26310174165
97672864410
103005282421
111302449189
126ba568099
1338b813a2b
142071bd781
15128c890b6
hexb320f875

3005282421 has 24 divisors (see below), whose sum is σ = 4616568320. Its totient is φ = 1878494976.

The previous prime is 3005282417. The next prime is 3005282431. The reversal of 3005282421 is 1242825003.

3005282421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3005282421 - 22 = 3005282417 is a prime.

It is a super-3 number, since 3×30052824213 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005282431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74005 + ... + 107178.

Almost surely, 23005282421 is an apocalyptic number.

It is an amenable number.

3005282421 is a deficient number, since it is larger than the sum of its proper divisors (1611285899).

3005282421 is a wasteful number, since it uses less digits than its factorization.

3005282421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181305 (or 181302 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 3005282421 is about 54820.4562275799. The cubic root of 3005282421 is about 1443.0955816603.

The spelling of 3005282421 in words is "three billion, five million, two hundred eighty-two thousand, four hundred twenty-one".

Divisors: 1 3 9 19 57 97 171 291 873 1843 5529 16587 181183 543549 1630647 3442477 10327431 17574751 30982293 52724253 158172759 333920269 1001760807 3005282421