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673710080 = 2195257
BaseRepresentation
bin101000001010000…
…000000000000000
31201221201000111012
4220022000000000
52334432210310
6150503540052
722460304221
oct5012000000
91657630435
10673710080
1131632339a
1216975a628
13a9766024
1465693248
153e22cc05
hex28280000

673710080 has 80 divisors (see below), whose sum is σ = 1623194100. Its totient is φ = 268435456.

The previous prime is 673710077. The next prime is 673710091. The reversal of 673710080 is 80017376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 629407744 + 44302336 = 25088^2 + 6656^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 4.

It is an unprimeable number.

In principle, a polygon with 673710080 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621312 + ... + 2621568.

Almost surely, 2673710080 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 673710080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811597050).

673710080 is an abundant number, since it is smaller than the sum of its proper divisors (949484020).

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

673710080 is an frugal number, since it uses more digits than its factorization.

673710080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 673710080 is about 25955.9257203437. The cubic root of 673710080 is about 876.6461875217.

The spelling of 673710080 in words is "six hundred seventy-three million, seven hundred ten thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 257 320 512 514 640 1024 1028 1280 1285 2048 2056 2560 2570 4096 4112 5120 5140 8192 8224 10240 10280 16384 16448 20480 20560 32768 32896 40960 41120 65536 65792 81920 82240 131072 131584 163840 164480 262144 263168 327680 328960 524288 526336 655360 657920 1052672 1310720 1315840 2105344 2621440 2631680 4210688 5263360 8421376 10526720 16842752 21053440 33685504 42106880 67371008 84213760 134742016 168427520 336855040 673710080