Search a number
-
+
545742377 = 19137209659
BaseRepresentation
bin100000100001110…
…101111000101001
31102000220120210122
4200201311320221
52104202224002
6130053053025
716344506435
oct4041657051
91360816718
10545742377
1126006a364
12132927175
13890ac5ab
14526a19c5
1532da16a2
hex20875e29

545742377 has 8 divisors (see below), whose sum is σ = 578661600. Its totient is φ = 513242784.

The previous prime is 545742343. The next prime is 545742401. The reversal of 545742377 is 773247545.

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

It is a cyclic number.

It is not a de Polignac number, because 545742377 - 228 = 277306921 is a prime.

It is a super-2 number, since 2×5457423772 = 595669484107220258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545748377) 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, 102227 + ... + 107432.

It is an arithmetic number, because the mean of its divisors is an integer number (72332700).

Almost surely, 2545742377 is an apocalyptic number.

It is an amenable number.

545742377 is a deficient number, since it is larger than the sum of its proper divisors (32919223).

545742377 is a wasteful number, since it uses less digits than its factorization.

545742377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209815.

The product of its digits is 823200, while the sum is 44.

The square root of 545742377 is about 23361.1296173794. The cubic root of 545742377 is about 817.2016334570.

The spelling of 545742377 in words is "five hundred forty-five million, seven hundred forty-two thousand, three hundred seventy-seven".

Divisors: 1 19 137 2603 209659 3983521 28723283 545742377