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545361407 = 4571193351
BaseRepresentation
bin100000100000011…
…000110111111111
31102000012020012122
4200200120313333
52104103031112
6130040553155
716341331643
oct4040306777
91360166178
10545361407
1125a92a108
121327827bb
1388ca8076
1452602c23
1532d28872
hex20818dff

545361407 has 4 divisors (see below), whose sum is σ = 546555216. Its totient is φ = 544167600.

The previous prime is 545361373. The next prime is 545361409. The reversal of 545361407 is 704163545.

545361407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545361407 - 216 = 545295871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545361409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596219 + ... + 597132.

It is an arithmetic number, because the mean of its divisors is an integer number (136638804).

Almost surely, 2545361407 is an apocalyptic number.

545361407 is a deficient number, since it is larger than the sum of its proper divisors (1193809).

545361407 is a wasteful number, since it uses less digits than its factorization.

545361407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193808.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 545361407 is about 23352.9742645343. The cubic root of 545361407 is about 817.0114327375.

The spelling of 545361407 in words is "five hundred forty-five million, three hundred sixty-one thousand, four hundred seven".

Divisors: 1 457 1193351 545361407