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540572443 = 1783383113
BaseRepresentation
bin100000001110000…
…111101100011011
31101200011220222121
4200032013230123
52101341304233
6125350202111
716252534645
oct4016075433
91350156877
10540572443
11258159094
12131053337
1387cbc368
1451b17895
15326ce92d
hex20387b1b

540572443 has 8 divisors (see below), whose sum is σ = 579268368. Its totient is φ = 502642944.

The previous prime is 540572429. The next prime is 540572471. The reversal of 540572443 is 344275045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540572443 - 25 = 540572411 is a prime.

It is a super-2 number, since 2×5405724432 = 584437132261976498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540572399 and 540572408.

It is not an unprimeable number, because it can be changed into a prime (540572143) 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, 190146 + ... + 192967.

It is an arithmetic number, because the mean of its divisors is an integer number (72408546).

Almost surely, 2540572443 is an apocalyptic number.

540572443 is a deficient number, since it is larger than the sum of its proper divisors (38695925).

540572443 is a wasteful number, since it uses less digits than its factorization.

540572443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383213.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 540572443 is about 23250.2138269737. The cubic root of 540572443 is about 814.6129332412.

The spelling of 540572443 in words is "five hundred forty million, five hundred seventy-two thousand, four hundred forty-three".

Divisors: 1 17 83 1411 383113 6512921 31798379 540572443