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538307382 = 2389717897
BaseRepresentation
bin100000000101011…
…110101100110110
31101111220211220110
4200011132230312
52100301314012
6125225443450
716224352164
oct4005365466
91344824813
10538307382
11256951338
12130340586
13876a83a2
14516c8234
15323d373c
hex2015eb36

538307382 has 8 divisors (see below), whose sum is σ = 1076614776. Its totient is φ = 179435792.

The previous prime is 538307353. The next prime is 538307423. The reversal of 538307382 is 283703835.

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

538307382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 538307382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44858943 + ... + 44858954.

It is an arithmetic number, because the mean of its divisors is an integer number (134576847).

Almost surely, 2538307382 is an apocalyptic number.

538307382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538307382 is a wasteful number, since it uses less digits than its factorization.

538307382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89717902.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 538307382 is about 23201.4521528287. The cubic root of 538307382 is about 813.4735662900.

The spelling of 538307382 in words is "five hundred thirty-eight million, three hundred seven thousand, three hundred eighty-two".

Divisors: 1 2 3 6 89717897 179435794 269153691 538307382