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64224355 = 513988067
BaseRepresentation
bin1111010011111…
…1110001100011
311110211221020211
43310333301203
5112420134410
610212314551
71406620006
oct364776143
9143757224
1064224355
1133286788
1219612a57
13103c89a0
14875b53d
15598968a
hex3d3fc63

64224355 has 8 divisors (see below), whose sum is σ = 82997712. Its totient is φ = 47427168.

The previous prime is 64224301. The next prime is 64224361. The reversal of 64224355 is 55342246.

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

It is a cyclic number.

It is not a de Polignac number, because 64224355 - 219 = 63700067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493969 + ... + 494098.

It is an arithmetic number, because the mean of its divisors is an integer number (10374714).

Almost surely, 264224355 is an apocalyptic number.

64224355 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64224355 is a deficient number, since it is larger than the sum of its proper divisors (18773357).

64224355 is a wasteful number, since it uses less digits than its factorization.

64224355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988085.

The product of its digits is 28800, while the sum is 31.

The square root of 64224355 is about 8014.0099201336. The cubic root of 64224355 is about 400.4668611397.

The spelling of 64224355 in words is "sixty-four million, two hundred twenty-four thousand, three hundred fifty-five".

Divisors: 1 5 13 65 988067 4940335 12844871 64224355