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3988301409 = 3623392
BaseRepresentation
bin1110110110111000…
…1010011001100001
3101021221200201000000
43231232022121201
531132001121114
61455431050213
7200556000621
oct35556123141
911257621000
103988301409
111767323974
12933810969
134b7386981
1429b98a881
15185213e09
hexedb8a661

3988301409 has 21 divisors (see below), whose sum is σ = 5982274273. Its totient is φ = 2657730852.

The previous prime is 3988301341. The next prime is 3988301423. The reversal of 3988301409 is 9041038893.

The square root of 3988301409 is 63153.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3988301409 - 211 = 3988299361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3988301209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1703962 + ... + 1706300.

Almost surely, 23988301409 is an apocalyptic number.

3988301409 is the 63153-rd square number.

3988301409 is the 31577-th centered octagonal number.

It is an amenable number.

3988301409 is a deficient number, since it is larger than the sum of its proper divisors (1993972864).

3988301409 is an frugal number, since it uses more digits than its factorization.

3988301409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The cubic root of 3988301409 is about 1585.8520112141.

Multiplying 3988301409 by its product of nonzero digits (186624), we get a square (744312762153216 = 272820962).

The spelling of 3988301409 in words is "three billion, nine hundred eighty-eight million, three hundred one thousand, four hundred nine".

Divisors: 1 3 9 27 81 243 729 2339 7017 21051 63153 189459 568377 1705131 5470921 16412763 49238289 147714867 443144601 1329433803 3988301409