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64850228 = 2216212557
BaseRepresentation
bin1111011101100…
…0100100110100
311112000201210022
43313120210310
5113100201403
610233544312
71415134502
oct367304464
9145021708
1064850228
1133673a33
1219875098
1310587821
148881672
155a5ed38
hex3dd8934

64850228 has 6 divisors (see below), whose sum is σ = 113487906. Its totient is φ = 32425112.

The previous prime is 64850221. The next prime is 64850237. The reversal of 64850228 is 82205846.

It can be written as a sum of positive squares in only one way, i.e., 55681444 + 9168784 = 7462^2 + 3028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64850221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8106275 + ... + 8106282.

It is an arithmetic number, because the mean of its divisors is an integer number (18914651).

Almost surely, 264850228 is an apocalyptic number.

It is an amenable number.

64850228 is a deficient number, since it is larger than the sum of its proper divisors (48637678).

64850228 is a wasteful number, since it uses less digits than its factorization.

64850228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16212561 (or 16212559 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 64850228 is about 8052.9639264062. The cubic root of 64850228 is about 401.7635218836.

The spelling of 64850228 in words is "sixty-four million, eight hundred fifty thousand, two hundred twenty-eight".

Divisors: 1 2 4 16212557 32425114 64850228