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500145405 = 35612712017
BaseRepresentation
bin11101110011111…
…001110011111101
31021212010000111220
4131303321303331
52011014123110
6121343503553
715252110604
oct3563716375
91255100456
10500145405
11237356711
1211b5b7bb9
137c806336
144a5d2a3b
152dd96370
hex1dcf9cfd

500145405 has 32 divisors (see below), whose sum is σ = 816757248. Its totient is φ = 261273600.

The previous prime is 500145403. The next prime is 500145409. The reversal of 500145405 is 504541005.

It is not a de Polignac number, because 500145405 - 21 = 500145403 is a prime.

It is a super-2 number, since 2×5001454052 = 500290852285228050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500145403) 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, 246957 + ... + 248973.

It is an arithmetic number, because the mean of its divisors is an integer number (25523664).

Almost surely, 2500145405 is an apocalyptic number.

It is an amenable number.

500145405 is a deficient number, since it is larger than the sum of its proper divisors (316611843).

500145405 is a wasteful number, since it uses less digits than its factorization.

500145405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 500145405 is about 22363.9308932933. The cubic root of 500145405 is about 793.7774572104. Note that the first 3 decimals are identical.

The spelling of 500145405 in words is "five hundred million, one hundred forty-five thousand, four hundred five".

Divisors: 1 3 5 15 61 183 271 305 813 915 1355 2017 4065 6051 10085 16531 30255 49593 82655 123037 247965 369111 546607 615185 1639821 1845555 2733035 8199105 33343027 100029081 166715135 500145405