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537398505 = 32571998573
BaseRepresentation
bin100000000010000…
…000110011101001
31101110012200011100
4200002000303221
52100033223010
6125154152013
716213545330
oct4002006351
91343180140
10537398505
112563904a6
1212bb82609
138744a7a7
145152cd17
15322a42c0
hex20080ce9

537398505 has 48 divisors (see below), whose sum is σ = 1070035200. Its totient is φ = 244404864.

The previous prime is 537398453. The next prime is 537398539. The reversal of 537398505 is 505893735.

537398505 is a `hidden beast` number, since 53 + 7 + 3 + 98 + 505 = 666.

It is not a de Polignac number, because 537398505 - 228 = 268963049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58399 + ... + 66971.

It is an arithmetic number, because the mean of its divisors is an integer number (22292400).

Almost surely, 2537398505 is an apocalyptic number.

It is an amenable number.

537398505 is a deficient number, since it is larger than the sum of its proper divisors (532636695).

537398505 is a wasteful number, since it uses less digits than its factorization.

537398505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790 (or 8787 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The square root of 537398505 is about 23181.8572379350. The cubic root of 537398505 is about 813.0154860591.

The spelling of 537398505 in words is "five hundred thirty-seven million, three hundred ninety-eight thousand, five hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 199 315 597 995 1393 1791 2985 4179 6965 8573 8955 12537 20895 25719 42865 60011 62685 77157 128595 180033 300055 385785 540099 900165 1706027 2700495 5118081 8530135 11942189 15354243 25590405 35826567 59710945 76771215 107479701 179132835 537398505