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32228330 = 253222833
BaseRepresentation
bin111101011110…
…0001111101010
32020122100221212
41322330033222
531222301310
63110433122
7540636101
oct172741752
966570855
1032228330
1117212692
12a9627a2
1368a5324
1443cd038
152c69205
hex1ebc3ea

32228330 has 8 divisors (see below), whose sum is σ = 58011012. Its totient is φ = 12891328.

The previous prime is 32228281. The next prime is 32228333. The reversal of 32228330 is 3382223.

It is a happy number.

It is a Cunningham number, because it is equal to 56772+1.

It can be written as a sum of positive squares in 2 ways, for example, as 32228329 + 1 = 5677^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×322283303 (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32228296 and 32228305.

It is not an unprimeable number, because it can be changed into a prime (32228333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611407 + ... + 1611426.

Almost surely, 232228330 is an apocalyptic number.

32228330 is a deficient number, since it is larger than the sum of its proper divisors (25782682).

32228330 is a wasteful number, since it uses less digits than its factorization.

32228330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222840.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 32228330 is about 5677.0000880747. Note that the first 4 decimals coincide. The cubic root of 32228330 is about 318.2335283428.

The spelling of 32228330 in words is "thirty-two million, two hundred twenty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 3222833 6445666 16114165 32228330