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545074131 = 37412832237
BaseRepresentation
bin100000011111010…
…010101111010011
31101222122122010210
4200133102233103
52104014333011
6130030455203
716336024260
oct4037225723
91358578123
10545074131
1125a753298
12132664503
1388c07394
145256a267
1532cbd6a6
hex207d2bd3

545074131 has 32 divisors (see below), whose sum is σ = 854235648. Its totient is φ = 302664960.

The previous prime is 545074129. The next prime is 545074177. The reversal of 545074131 is 131470545.

It is not a de Polignac number, because 545074131 - 21 = 545074129 is a prime.

It is a super-2 number, since 2×5450741312 = 594211616570810322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545074531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242545 + ... + 244781.

It is an arithmetic number, because the mean of its divisors is an integer number (26694864).

Almost surely, 2545074131 is an apocalyptic number.

545074131 is a deficient number, since it is larger than the sum of its proper divisors (309161517).

545074131 is a wasteful number, since it uses less digits than its factorization.

545074131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 545074131 is about 23346.8227174492. The cubic root of 545074131 is about 816.8679505151.

The spelling of 545074131 in words is "five hundred forty-five million, seventy-four thousand, one hundred thirty-one".

Divisors: 1 3 7 21 41 123 283 287 849 861 1981 2237 5943 6711 11603 15659 34809 46977 81221 91717 243663 275151 633071 642019 1899213 1926057 4431497 13294491 25955911 77867733 181691377 545074131