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5487443380 = 22567261121
BaseRepresentation
bin1010001110001001…
…11011110110110100
3112011102121000011201
411013010323312310
542214241142010
62304302542244
7252661333126
oct50704736664
915142530151
105487443380
112366578481
121091897984
13695b38523
143a0b09216
15221b3e23a
hex14713bdb4

5487443380 has 36 divisors (see below), whose sum is σ = 11698384068. Its totient is φ = 2162181120.

The previous prime is 5487443359. The next prime is 5487443389. The reversal of 5487443380 is 833447845.

It can be written as a sum of positive squares in 2 ways, for example, as 761980816 + 4725462564 = 27604^2 + 68742^2 .

It is a super-2 number, since 2×54874433802 = 60224069697411648800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5487443380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5487443389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59220 + ... + 120340.

It is an arithmetic number, because the mean of its divisors is an integer number (324955113).

Almost surely, 25487443380 is an apocalyptic number.

It is an amenable number.

5487443380 is an abundant number, since it is smaller than the sum of its proper divisors (6210940688).

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

5487443380 is a wasteful number, since it uses less digits than its factorization.

5487443380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61264 (or 61195 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The square root of 5487443380 is about 74077.2797826702. The cubic root of 5487443380 is about 1763.8298337163.

The spelling of 5487443380 in words is "five billion, four hundred eighty-seven million, four hundred forty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 4489 8978 17956 22445 44890 61121 89780 122242 244484 305605 611210 1222420 4095107 8190214 16380428 20475535 40951070 81902140 274372169 548744338 1097488676 1371860845 2743721690 5487443380