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545935420 = 22531880541
BaseRepresentation
bin100000100010100…
…101000000111100
31102001021101121101
4200202211000330
52104224413140
6130101142444
716346242312
oct4042450074
91361241541
10545935420
112601913a8
121329baa24
1389149414
14527120b2
1532ddd99a
hex208a503c

545935420 has 24 divisors (see below), whose sum is σ = 1183448448. Its totient is φ = 211329600.

The previous prime is 545935387. The next prime is 545935483. The reversal of 545935420 is 24539545.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 545935420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439651 + ... + 440890.

It is an arithmetic number, because the mean of its divisors is an integer number (49310352).

Almost surely, 2545935420 is an apocalyptic number.

It is an amenable number.

545935420 is an abundant number, since it is smaller than the sum of its proper divisors (637513028).

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

545935420 is a wasteful number, since it uses less digits than its factorization.

545935420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880581 (or 880579 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 545935420 is about 23365.2609658013. The cubic root of 545935420 is about 817.2979771194.

The spelling of 545935420 in words is "five hundred forty-five million, nine hundred thirty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 880541 1761082 3522164 4402705 8805410 17610820 27296771 54593542 109187084 136483855 272967710 545935420