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1450564221 = 31632966389
BaseRepresentation
bin101011001110101…
…1101101001111101
310202002111022000210
41112131131221331
510432321023341
6355534343033
750642410131
oct12635355175
93662438023
101450564221
11684895407
1234595aa79
131a16a3932
14da9153c1
1587531c16
hex5675da7d

1450564221 has 8 divisors (see below), whose sum is σ = 1945951840. Its totient is φ = 961109712.

The previous prime is 1450564217. The next prime is 1450564223. The reversal of 1450564221 is 1224650541.

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

It is not a de Polignac number, because 1450564221 - 22 = 1450564217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450564223) 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, 1482706 + ... + 1483683.

It is an arithmetic number, because the mean of its divisors is an integer number (243243980).

Almost surely, 21450564221 is an apocalyptic number.

It is an amenable number.

1450564221 is a deficient number, since it is larger than the sum of its proper divisors (495387619).

1450564221 is a wasteful number, since it uses less digits than its factorization.

1450564221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966555.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1450564221 is about 38086.2733934419. The cubic root of 1450564221 is about 1131.9979847904.

The spelling of 1450564221 in words is "one billion, four hundred fifty million, five hundred sixty-four thousand, two hundred twenty-one".

Divisors: 1 3 163 489 2966389 8899167 483521407 1450564221