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3138576529 = 1144632
BaseRepresentation
bin1011101100010010…
…1110000010010001
322002201210012121011
42323010232002101
522411433422104
61235234330521
7140530313614
oct27304560221
98081705534
103138576529
111370710000
12737129a41
133b031399a
1421ab9a17b
15135818904
hexbb12e091

3138576529 has 15 divisors (see below), whose sum is σ = 3459885465. Its totient is φ = 2847088860.

The previous prime is 3138576521. The next prime is 3138576547. The reversal of 3138576529 is 9256758313.

The square root of 3138576529 is 56023.

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

It is not a de Polignac number, because 3138576529 - 23 = 3138576521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3138576521) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6778552 + ... + 6779014.

It is an arithmetic number, because the mean of its divisors is an integer number (230659031).

Almost surely, 23138576529 is an apocalyptic number.

3138576529 is the 56023-rd square number.

3138576529 is the 28012-nd centered octagonal number.

It is an amenable number.

3138576529 is a deficient number, since it is larger than the sum of its proper divisors (321308936).

3138576529 is an frugal number, since it uses more digits than its factorization.

3138576529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 474 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The cubic root of 3138576529 is about 1464.1230376813.

Multiplying 3138576529 by its sum of digits (49), we get a square (153790249921 = 3921612).

The spelling of 3138576529 in words is "three billion, one hundred thirty-eight million, five hundred seventy-six thousand, five hundred twenty-nine".

Divisors: 1 11 121 463 1331 5093 14641 56023 214369 616253 2358059 6778783 25938649 285325139 3138576529