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545428375 = 5329379397
BaseRepresentation
bin100000100000101…
…001001110010111
31102000022122001221
4200200221032113
52104112202000
6130042231211
716342031122
oct4040511627
91360278057
10545428375
1125a975458
121327b5507
1388ccc6ab
145261d3b9
1532d3d61a
hex20829397

545428375 has 32 divisors (see below), whose sum is σ = 707803200. Its totient is φ = 419126400.

The previous prime is 545428349. The next prime is 545428393. The reversal of 545428375 is 573824545.

It is not a de Polignac number, because 545428375 - 29 = 545427863 is a prime.

It is a super-2 number, since 2×5454283752 = 594984224510281250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373677 + ... + 1374073.

It is an arithmetic number, because the mean of its divisors is an integer number (22118850).

Almost surely, 2545428375 is an apocalyptic number.

545428375 is a deficient number, since it is larger than the sum of its proper divisors (162374825).

545428375 is a wasteful number, since it uses less digits than its factorization.

545428375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 810 counting only the distinct ones).

The product of its digits is 672000, while the sum is 43.

The square root of 545428375 is about 23354.4080421663. The cubic root of 545428375 is about 817.0448731812.

The spelling of 545428375 in words is "five hundred forty-five million, four hundred twenty-eight thousand, three hundred seventy-five".

Divisors: 1 5 25 29 125 145 379 397 725 1895 1985 3625 9475 9925 10991 11513 47375 49625 54955 57565 150463 274775 287825 752315 1373875 1439125 3761575 4363427 18807875 21817135 109085675 545428375