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768963400 = 235226914293
BaseRepresentation
bin101101110101010…
…111001101001000
31222120221101110221
4231311113031020
53033323312100
6204145315424
725025036542
oct5565271510
91876841427
10768963400
11365072647
12195635b74
13c340713a
14741aa692
154779601a
hex2dd57348

768963400 has 48 divisors (see below), whose sum is σ = 1794611700. Its totient is φ = 306420480.

The previous prime is 768963389. The next prime is 768963407. The reversal of 768963400 is 4369867.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 232324 + 768731076 = 482^2 + 27726^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (768963407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46654 + ... + 60946.

Almost surely, 2768963400 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 768963400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897305850).

768963400 is an abundant number, since it is smaller than the sum of its proper divisors (1025648300).

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

768963400 is a wasteful number, since it uses less digits than its factorization.

768963400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14578 (or 14569 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 768963400 is about 27730.1893249938. The cubic root of 768963400 is about 916.1541568509.

The spelling of 768963400 in words is "seven hundred sixty-eight million, nine hundred sixty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 269 538 1076 1345 2152 2690 5380 6725 10760 13450 14293 26900 28586 53800 57172 71465 114344 142930 285860 357325 571720 714650 1429300 2858600 3844817 7689634 15379268 19224085 30758536 38448170 76896340 96120425 153792680 192240850 384481700 768963400