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64843201 = 233397701
BaseRepresentation
bin1111011101011…
…0110111000001
311112000101011001
43313112313001
5113044440301
610233452001
71415105143
oct367266701
9145011131
1064843201
1133669725
1219871001
1310584577
14887cc93
155a5cc01
hex3dd6dc1

64843201 has 8 divisors (see below), whose sum is σ = 65378664. Its totient is φ = 64310400.

The previous prime is 64843147. The next prime is 64843213. The reversal of 64843201 is 10234846.

It can be written as a sum of positive squares in 4 ways, for example, as 16192576 + 48650625 = 4024^2 + 6975^2 .

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 64843201 - 217 = 64712129 is a prime.

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 64843201.

It is not an unprimeable number, because it can be changed into a prime (64843241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92151 + ... + 92851.

It is an arithmetic number, because the mean of its divisors is an integer number (8172333).

Almost surely, 264843201 is an apocalyptic number.

It is an amenable number.

64843201 is a deficient number, since it is larger than the sum of its proper divisors (535463).

64843201 is a wasteful number, since it uses less digits than its factorization.

64843201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 64843201 is about 8052.5276156000. The cubic root of 64843201 is about 401.7490100135.

The spelling of 64843201 in words is "sixty-four million, eight hundred forty-three thousand, two hundred one".

Divisors: 1 233 397 701 92501 163333 278297 64843201