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38155329 = 32292712
BaseRepresentation
bin1001000110001…
…1010001000001
32122210111021100
42101203101001
534231432304
63441445013
7642213012
oct221432101
978714240
1038155329
111a5a0733
1210940769
137b9c024
1450d3009
15353a439
hex2463441

38155329 has 27 divisors (see below), whose sum is σ = 57894499. Its totient is φ = 24213840.

The previous prime is 38155291. The next prime is 38155333. The reversal of 38155329 is 92355183.

The square root of 38155329 is 6177.

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

38155329 is a `hidden beast` number, since 3 + 81 + 553 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20007729 + 18147600 = 4473^2 + 4260^2 .

It is not a de Polignac number, because 38155329 - 215 = 38122561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38155293 and 38155302.

It is not an unprimeable number, because it can be changed into a prime (38155829) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 537364 + ... + 537434.

Almost surely, 238155329 is an apocalyptic number.

38155329 is the 6177-th square number.

38155329 is the 3089-th centered octagonal number.

It is an amenable number.

38155329 is a deficient number, since it is larger than the sum of its proper divisors (19739170).

38155329 is an equidigital number, since it uses as much as digits as its factorization.

38155329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 103 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The cubic root of 38155329 is about 336.6549988876.

Multiplying 38155329 by its sum of digits (36), we get a square (1373591844 = 370622).

Multiplying 38155329 by its product of digits (32400), we get a square (1236232659600 = 11118602).

The spelling of 38155329 in words is "thirty-eight million, one hundred fifty-five thousand, three hundred twenty-nine".

Divisors: 1 3 9 29 71 87 213 261 639 841 2059 2523 5041 6177 7569 15123 18531 45369 59711 146189 179133 438567 537399 1315701 4239481 12718443 38155329