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5421354025 = 52216854161
BaseRepresentation
bin1010000110010001…
…10100110000101001
3111222211020022121211
411003020310300221
542100331312100
62253542233121
7251226514603
oct50310646051
914884208554
105421354025
11233223857a
1210737257a1
136852389b9
14396024173
1521ae371ba
hex143234c29

5421354025 has 6 divisors (see below), whose sum is σ = 6722479022. Its totient is φ = 4337083200.

The previous prime is 5421354023. The next prime is 5421354049. The reversal of 5421354025 is 5204531245.

It can be written as a sum of positive squares in 3 ways, for example, as 1458399721 + 3962954304 = 38189^2 + 62952^2 .

It is not a de Polignac number, because 5421354025 - 21 = 5421354023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421354023) 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 5 ways as a sum of consecutive naturals, for example, 108427056 + ... + 108427105.

Almost surely, 25421354025 is an apocalyptic number.

It is an amenable number.

5421354025 is a deficient number, since it is larger than the sum of its proper divisors (1301124997).

5421354025 is a wasteful number, since it uses less digits than its factorization.

5421354025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216854171 (or 216854166 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5421354025 is about 73629.8446623378. The cubic root of 5421354025 is about 1756.7201771334.

The spelling of 5421354025 in words is "five billion, four hundred twenty-one million, three hundred fifty-four thousand, twenty-five".

Divisors: 1 5 25 216854161 1084270805 5421354025