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712070990 = 2571207099
BaseRepresentation
bin101010011100010…
…101011101001110
31211121212221202122
4222130111131032
52424242232430
6154354052542
723434334501
oct5234253516
91747787678
10712070990
11335a44524
1217a57a152
13b46a77a7
146a7db138
15427a8ee5
hex2a71574e

712070990 has 8 divisors (see below), whose sum is σ = 1281727800. Its totient is φ = 284828392.

The previous prime is 712070987. The next prime is 712071001. The reversal of 712070990 is 99070217.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 712070990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35603540 + ... + 35603559.

It is an arithmetic number, because the mean of its divisors is an integer number (160215975).

Almost surely, 2712070990 is an apocalyptic number.

712070990 is a deficient number, since it is larger than the sum of its proper divisors (569656810).

712070990 is a wasteful number, since it uses less digits than its factorization.

712070990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71207106.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 712070990 is about 26684.6583264617. The cubic root of 712070990 is about 892.9786953080.

The spelling of 712070990 in words is "seven hundred twelve million, seventy thousand, nine hundred ninety".

Divisors: 1 2 5 10 71207099 142414198 356035495 712070990