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538197085 = 5730714731
BaseRepresentation
bin100000000101000…
…011110001011101
31101111201020121101
4200011003301131
52100234301320
6125223233101
716223412466
oct4005036135
91344636541
10538197085
11256886488
121302a8791
138766a11a
1451699d6d
15323b0c0a
hex20143c5d

538197085 has 8 divisors (see below), whose sum is σ = 645968736. Its totient is φ = 430469520.

The previous prime is 538197043. The next prime is 538197137. The reversal of 538197085 is 580791835.

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

It is not a de Polignac number, because 538197085 - 217 = 538066013 is a prime.

It is a super-2 number, since 2×5381970852 = 579312204604994450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29170 + ... + 43900.

It is an arithmetic number, because the mean of its divisors is an integer number (80746092).

Almost surely, 2538197085 is an apocalyptic number.

It is an amenable number.

538197085 is a deficient number, since it is larger than the sum of its proper divisors (107771651).

538197085 is a wasteful number, since it uses less digits than its factorization.

538197085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22043.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 538197085 is about 23199.0750893220. The cubic root of 538197085 is about 813.4180033498.

The spelling of 538197085 in words is "five hundred thirty-eight million, one hundred ninety-seven thousand, eighty-five".

Divisors: 1 5 7307 14731 36535 73655 107639417 538197085