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768380000 = 2554103373
BaseRepresentation
bin101101110011001…
…000110001100000
31222112211202012112
4231303020301200
53033201130000
6204125014452
725020056633
oct5563106140
91875752175
10768380000
113648042a3
121953b4428
13c326172b
1474097c1a
15476cd235
hex2dcc8c60

768380000 has 120 divisors (see below), whose sum is σ = 1913799888. Its totient is φ = 303552000.

The previous prime is 768379967. The next prime is 768380003. The reversal of 768380000 is 83867.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768380003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2059814 + ... + 2060186.

Almost surely, 2768380000 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 768380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956899944).

768380000 is an abundant number, since it is smaller than the sum of its proper divisors (1145419888).

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

768380000 is a wasteful number, since it uses less digits than its factorization.

768380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 768380000 is about 27719.6681076812. The cubic root of 768380000 is about 915.9224078234.

The spelling of 768380000 in words is "seven hundred sixty-eight million, three hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 103 125 160 200 206 250 373 400 412 500 515 625 746 800 824 1000 1030 1250 1492 1648 1865 2000 2060 2500 2575 2984 3296 3730 4000 4120 5000 5150 5968 7460 8240 9325 10000 10300 11936 12875 14920 16480 18650 20000 20600 25750 29840 37300 38419 41200 46625 51500 59680 64375 74600 76838 82400 93250 103000 128750 149200 153676 186500 192095 206000 233125 257500 298400 307352 373000 384190 412000 466250 515000 614704 746000 768380 932500 960475 1030000 1229408 1492000 1536760 1865000 1920950 2060000 3073520 3730000 3841900 4802375 6147040 7460000 7683800 9604750 15367600 19209500 24011875 30735200 38419000 48023750 76838000 96047500 153676000 192095000 384190000 768380000