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5420181852 = 223350186869
BaseRepresentation
bin1010000110001000…
…10110100101011100
3111222202000202201000
411003010112211130
542100031304402
62253501150300
7251213533311
oct50304264534
914882022630
105420181852
112331607938
12107325b390
13684c182c7
14395bdad08
1521aca4c1c
hex14311695c

5420181852 has 24 divisors (see below), whose sum is σ = 14052323600. Its totient is φ = 1806727248.

The previous prime is 5420181803. The next prime is 5420181857. The reversal of 5420181852 is 2581810245.

5420181852 is a `hidden beast` number, since 5 + 420 + 181 + 8 + 52 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420181857) 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, 25093327 + ... + 25093542.

Almost surely, 25420181852 is an apocalyptic number.

It is an amenable number.

5420181852 is an abundant number, since it is smaller than the sum of its proper divisors (8632141748).

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

5420181852 is a wasteful number, since it uses less digits than its factorization.

5420181852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50186882 (or 50186874 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 5420181852 is about 73621.8843279632. The cubic root of 5420181852 is about 1756.5935588029.

The spelling of 5420181852 in words is "five billion, four hundred twenty million, one hundred eighty-one thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 50186869 100373738 150560607 200747476 301121214 451681821 602242428 903363642 1355045463 1806727284 2710090926 5420181852