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32228329 = 728112
BaseRepresentation
bin111101011110…
…0001111101001
32020122100221211
41322330033221
531222301304
63110433121
7540636100
oct172741751
966570854
1032228329
1117212691
12a9627a1
1368a5323
1443cd037
152c69204
hex1ebc3e9

32228329 has 9 divisors (see below), whose sum is σ = 37536381. Its totient is φ = 27590220.

The previous prime is 32228281. The next prime is 32228333. The reversal of 32228329 is 92382223.

The square root of 32228329 is 5677.

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

It is not a de Polignac number, because 32228329 - 27 = 32228201 is a prime.

It is a super-3 number, since 3×322283293 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32228329.

It is not an unprimeable number, because it can be changed into a prime (32258329) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39334 + ... + 40144.

It is an arithmetic number, because the mean of its divisors is an integer number (4170709).

Almost surely, 232228329 is an apocalyptic number.

32228329 is the 5677-th square number.

32228329 is the 2839-th centered octagonal number.

It is an amenable number.

32228329 is a deficient number, since it is larger than the sum of its proper divisors (5308052).

32228329 is an frugal number, since it uses more digits than its factorization.

32228329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 818 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The cubic root of 32228329 is about 318.2335250513.

The spelling of 32228329 in words is "thirty-two million, two hundred twenty-eight thousand, three hundred twenty-nine".

Divisors: 1 7 49 811 5677 39739 657721 4604047 32228329