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712021252 = 22414341593
BaseRepresentation
bin101010011100001…
…001010100000100
31211121210102112111
4222130021110010
52424234140002
6154353030404
723434036465
oct5234112404
91747712474
10712021252
11335a10118
1217a555404
13b468ac67
146a7c6d6c
15427993d7
hex2a709504

712021252 has 12 divisors (see below), whose sum is σ = 1276428636. Its totient is φ = 347327360.

The previous prime is 712021243. The next prime is 712021273. The reversal of 712021252 is 252120217.

It can be written as a sum of positive squares in 2 ways, for example, as 416731396 + 295289856 = 20414^2 + 17184^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170633 + ... + 2170960.

It is an arithmetic number, because the mean of its divisors is an integer number (106369053).

Almost surely, 2712021252 is an apocalyptic number.

It is an amenable number.

712021252 is a deficient number, since it is larger than the sum of its proper divisors (564407384).

712021252 is a wasteful number, since it uses less digits than its factorization.

712021252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341638 (or 4341636 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 712021252 is about 26683.7263514675. The cubic root of 712021252 is about 892.9579033696.

Adding to 712021252 its reverse (252120217), we get a palindrome (964141469).

The spelling of 712021252 in words is "seven hundred twelve million, twenty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 41 82 164 4341593 8683186 17366372 178005313 356010626 712021252