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228333064 = 2394730139
BaseRepresentation
bin11011001110000…
…01011000001000
3120220122112002011
431213001120020
5431423124224
634353545304
75441541031
oct1547013010
9526575064
10228333064
11107985013
1264575234
13383c762b
1422479a88
15150a4394
hexd9c1608

228333064 has 16 divisors (see below), whose sum is σ = 428590800. Its totient is φ = 114042192.

The previous prime is 228333041. The next prime is 228333067. The reversal of 228333064 is 460333822.

It is a super-3 number, since 3×2283330643 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (228333067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7494 + ... + 22645.

It is an arithmetic number, because the mean of its divisors is an integer number (26786925).

Almost surely, 2228333064 is an apocalyptic number.

It is an amenable number.

228333064 is a deficient number, since it is larger than the sum of its proper divisors (200257736).

228333064 is a wasteful number, since it uses less digits than its factorization.

228333064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31092 (or 31088 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 228333064 is about 15110.6936968493. The cubic root of 228333064 is about 611.2088042851.

Adding to 228333064 its reverse (460333822), we get a palindrome (688666886).

The spelling of 228333064 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, sixty-four".

Divisors: 1 2 4 8 947 1894 3788 7576 30139 60278 120556 241112 28541633 57083266 114166532 228333064