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537408545 = 5107481709
BaseRepresentation
bin100000000010000…
…011010000100001
31101110020011221012
4200002003100201
52100034033140
6125154310305
716213616522
oct4002032041
91343204835
10537408545
11256397aa3
1212bb88395
138745222b
1451532849
15322a7265
hex20083421

537408545 has 4 divisors (see below), whose sum is σ = 644890260. Its totient is φ = 429926832.

The previous prime is 537408533. The next prime is 537408563. The reversal of 537408545 is 545804735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65302561 + 472105984 = 8081^2 + 21728^2 .

It is a cyclic number.

It is not a de Polignac number, because 537408545 - 220 = 536359969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53740850 + ... + 53740859.

It is an arithmetic number, because the mean of its divisors is an integer number (161222565).

Almost surely, 2537408545 is an apocalyptic number.

It is an amenable number.

537408545 is a deficient number, since it is larger than the sum of its proper divisors (107481715).

537408545 is a wasteful number, since it uses less digits than its factorization.

537408545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107481714.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 537408545 is about 23182.0737855784. The cubic root of 537408545 is about 813.0205491080.

The spelling of 537408545 in words is "five hundred thirty-seven million, four hundred eight thousand, five hundred forty-five".

Divisors: 1 5 107481709 537408545