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512242008 = 23323989303
BaseRepresentation
bin11110100010000…
…011000101011000
31022200212120221020
4132202003011120
52022113221013
6122455042440
715456661635
oct3642030530
91280776836
10512242008
11243169003
12123670420
13821802a5
144c06118c
152ee85623
hex1e883158

512242008 has 32 divisors (see below), whose sum is σ = 1285977600. Its totient is φ = 170031008.

The previous prime is 512241997. The next prime is 512242009. The reversal of 512242008 is 800242215.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512242009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38916 + ... + 50387.

It is an arithmetic number, because the mean of its divisors is an integer number (40186800).

Almost surely, 2512242008 is an apocalyptic number.

It is an amenable number.

512242008 is an abundant number, since it is smaller than the sum of its proper divisors (773735592).

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

512242008 is a wasteful number, since it uses less digits than its factorization.

512242008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89551 (or 89547 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 512242008 is about 22632.7640380047. The cubic root of 512242008 is about 800.1260259791.

The spelling of 512242008 in words is "five hundred twelve million, two hundred forty-two thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 239 478 717 956 1434 1912 2868 5736 89303 178606 267909 357212 535818 714424 1071636 2143272 21343417 42686834 64030251 85373668 128060502 170747336 256121004 512242008