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5221472256 = 2113271113283
BaseRepresentation
bin1001101110011100…
…10101100000000000
3111110220010021101100
410313032111200000
541143144103011
62222042134400
7243251532120
oct46716254000
914426107340
105221472256
11223a426430
1210187b1400
136529c3470
14377672c80
15208602d56
hex137395800

5221472256 has 576 divisors, whose sum is σ = 20319586560. Its totient is φ = 1247477760.

The previous prime is 5221472239. The next prime is 5221472257. The reversal of 5221472256 is 6522741225.

5221472256 is a `hidden beast` number, since 522 + 14 + 72 + 2 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5221472256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221472257) 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 47 ways as a sum of consecutive naturals, for example, 18450291 + ... + 18450573.

It is an arithmetic number, because the mean of its divisors is an integer number (35277060).

Almost surely, 25221472256 is an apocalyptic number.

5221472256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5221472256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10159793280).

5221472256 is an abundant number, since it is smaller than the sum of its proper divisors (15098114304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5221472256 is a wasteful number, since it uses less digits than its factorization.

5221472256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 319 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 5221472256 is about 72259.7554382798. The cubic root of 5221472256 is about 1734.8595651322.

The spelling of 5221472256 in words is "five billion, two hundred twenty-one million, four hundred seventy-two thousand, two hundred fifty-six".