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537881001 = 3725613381
BaseRepresentation
bin100000000011110…
…110100110101001
31101111010012000120
4200003312212221
52100144143001
6125212353453
716220625120
oct4003664651
91344105016
10537881001
1125668aa59
12130175889
13875892a8
1451616ab7
153234c236
hex200f69a9

537881001 has 8 divisors (see below), whose sum is σ = 819628224. Its totient is φ = 307360560.

The previous prime is 537880997. The next prime is 537881027. The reversal of 537881001 is 100188735.

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

It is not a de Polignac number, because 537881001 - 22 = 537880997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537881041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12806670 + ... + 12806711.

It is an arithmetic number, because the mean of its divisors is an integer number (102453528).

Almost surely, 2537881001 is an apocalyptic number.

It is an amenable number.

537881001 is a deficient number, since it is larger than the sum of its proper divisors (281747223).

537881001 is a wasteful number, since it uses less digits than its factorization.

537881001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25613391.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 537881001 is about 23192.2616620286. The cubic root of 537881001 is about 813.2587316052.

The spelling of 537881001 in words is "five hundred thirty-seven million, eight hundred eighty-one thousand, one".

Divisors: 1 3 7 21 25613381 76840143 179293667 537881001