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538472155 = 51310380429
BaseRepresentation
bin100000000110000…
…110111011011011
31101112020012221011
4200012012323123
52100322102110
6125233154351
716225636444
oct4006067333
91345205834
10538472155
11256a54111
121303bb9b7
13877353a0
145172c2cb
153241748a
hex20186edb

538472155 has 16 divisors (see below), whose sum is σ = 702636480. Its totient is φ = 393775488.

The previous prime is 538472119. The next prime is 538472183. The reversal of 538472155 is 551274835.

It is a cyclic number.

It is not a de Polignac number, because 538472155 - 215 = 538439387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33520 + ... + 46909.

It is an arithmetic number, because the mean of its divisors is an integer number (43914780).

Almost surely, 2538472155 is an apocalyptic number.

538472155 is a deficient number, since it is larger than the sum of its proper divisors (164164325).

538472155 is a wasteful number, since it uses less digits than its factorization.

538472155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80550.

The product of its digits is 168000, while the sum is 40.

The square root of 538472155 is about 23205.0028011203. The cubic root of 538472155 is about 813.5565577868.

The spelling of 538472155 in words is "five hundred thirty-eight million, four hundred seventy-two thousand, one hundred fifty-five".

Divisors: 1 5 13 65 103 515 1339 6695 80429 402145 1045577 5227885 8284187 41420935 107694431 538472155