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5213284440 = 233573139743
BaseRepresentation
bin1001101101011110…
…00110100001011000
3111110022201021210220
410312233012201120
541134100100230
62221150440040
7243122121000
oct46657064130
914408637726
105213284440
112235843841
121015b03020
136510b76c0
14376541000
15207a36d10
hex136bc6858

5213284440 has 256 divisors, whose sum is σ = 19643904000. Its totient is φ = 1099832832.

The previous prime is 5213284387. The next prime is 5213284451. The reversal of 5213284440 is 444823125.

It is a super-2 number, since 2×52132844402 = 54356669304692227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 530209 + ... + 539951.

It is an arithmetic number, because the mean of its divisors is an integer number (76734000).

Almost surely, 25213284440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5213284440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9821952000).

5213284440 is an abundant number, since it is smaller than the sum of its proper divisors (14430619560).

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

5213284440 is a wasteful number, since it uses less digits than its factorization.

5213284440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791 (or 9773 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 5213284440 is about 72203.0777737348. The cubic root of 5213284440 is about 1733.9522768229.

The spelling of 5213284440 in words is "five billion, two hundred thirteen million, two hundred eighty-four thousand, four hundred forty".