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712704740 = 2251126912043
BaseRepresentation
bin101010011110110…
…000001011100100
31211200002011002212
4222132300023210
52424423022430
6154415422552
723442614246
oct5236601344
91750064085
10712704740
11336337690
1217a824a58
13b486a0a7
146a924096
1542881b95
hex2a7b02e4

712704740 has 48 divisors (see below), whose sum is σ = 1638947520. Its totient is φ = 258180480.

The previous prime is 712704739. The next prime is 712704743. The reversal of 712704740 is 47407217.

It is a junction number, because it is equal to n+sod(n) for n = 712704697 and 712704706.

It is not an unprimeable number, because it can be changed into a prime (712704743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53159 + ... + 65201.

It is an arithmetic number, because the mean of its divisors is an integer number (34144740).

Almost surely, 2712704740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712704740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819473760).

712704740 is an abundant number, since it is smaller than the sum of its proper divisors (926242780).

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

712704740 is a wasteful number, since it uses less digits than its factorization.

712704740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12332 (or 12330 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 712704740 is about 26696.5304861887. The cubic root of 712704740 is about 893.2435366165.

The spelling of 712704740 in words is "seven hundred twelve million, seven hundred four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 269 538 1076 1345 2690 2959 5380 5918 11836 12043 14795 24086 29590 48172 59180 60215 120430 132473 240860 264946 529892 662365 1324730 2649460 3239567 6479134 12958268 16197835 32395670 35635237 64791340 71270474 142540948 178176185 356352370 712704740