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4451404885 = 52938930293
BaseRepresentation
bin1000010010101001…
…10000110001010101
3102111020002210112121
410021110300301111
533104024424020
62013413015541
7215211213544
oct41124606125
912436083477
104451404885
11198477a414
12a429245b1
1355c2c09b5
1430329a15b
151b0bdebaa
hex109530c55

4451404885 has 8 divisors (see below), whose sum is σ = 5342043960. Its totient is φ = 3560885184.

The previous prime is 4451404883. The next prime is 4451404897. The reversal of 4451404885 is 5884041544.

It can be written as a sum of positive squares in 4 ways, for example, as 125843524 + 4325561361 = 11218^2 + 65769^2 .

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 4451404885 - 21 = 4451404883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4451404883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131799 + ... + 162091.

It is an arithmetic number, because the mean of its divisors is an integer number (667755495).

Almost surely, 24451404885 is an apocalyptic number.

It is an amenable number.

4451404885 is a deficient number, since it is larger than the sum of its proper divisors (890639075).

4451404885 is a wasteful number, since it uses less digits than its factorization.

4451404885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59687.

The product of its (nonzero) digits is 409600, while the sum is 43.

The square root of 4451404885 is about 66718.8495479351. The cubic root of 4451404885 is about 1644.9992313445. Note that the first 3 decimals are identical.

The spelling of 4451404885 in words is "four billion, four hundred fifty-one million, four hundred four thousand, eight hundred eighty-five".

Divisors: 1 5 29389 30293 146945 151465 890280977 4451404885