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712445242 = 21943436013
BaseRepresentation
bin101010011101110…
…000110100111010
31211122120222010211
4222131300310322
52424341221432
6154410101334
723440453555
oct5235606472
91748528124
10712445242
1133617a723
1217a71a84a
13b47a8c42
146a89769c
154282ed47
hex2a770d3a

712445242 has 16 divisors (see below), whose sum is σ = 1151076960. Its totient is φ = 329625072.

The previous prime is 712445221. The next prime is 712445243. The reversal of 712445242 is 242544217.

It is a super-3 number, since 3×7124452423 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (712445243) 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, 216373 + ... + 219640.

It is an arithmetic number, because the mean of its divisors is an integer number (71942310).

Almost surely, 2712445242 is an apocalyptic number.

712445242 is a deficient number, since it is larger than the sum of its proper divisors (438631718).

712445242 is a wasteful number, since it uses less digits than its factorization.

712445242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436077.

The product of its digits is 17920, while the sum is 31.

The square root of 712445242 is about 26691.6698990528. The cubic root of 712445242 is about 893.1351125448.

Adding to 712445242 its reverse (242544217), we get a palindrome (954989459).

The spelling of 712445242 in words is "seven hundred twelve million, four hundred forty-five thousand, two hundred forty-two".

Divisors: 1 2 19 38 43 86 817 1634 436013 872026 8284247 16568494 18748559 37497118 356222621 712445242