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268180764 = 22340135569
BaseRepresentation
bin11111111110000…
…01110100011100
3200200121222211220
433333001310130
51022123241024
642340013340
76434333055
oct1777016434
9620558756
10268180764
111284211a5
1275991250
1343739a57
142788d72c
1518825e79
hexffc1d1c

268180764 has 24 divisors (see below), whose sum is σ = 626023440. Its totient is φ = 89355264.

The previous prime is 268180643. The next prime is 268180769. The reversal of 268180764 is 467081862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268180769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45372 + ... + 50940.

It is an arithmetic number, because the mean of its divisors is an integer number (26084310).

Almost surely, 2268180764 is an apocalyptic number.

It is an amenable number.

268180764 is an abundant number, since it is smaller than the sum of its proper divisors (357842676).

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

268180764 is a wasteful number, since it uses less digits than its factorization.

268180764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589 (or 9587 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 268180764 is about 16376.2255724572. The cubic root of 268180764 is about 644.8754954684.

The spelling of 268180764 in words is "two hundred sixty-eight million, one hundred eighty thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 4013 5569 8026 11138 12039 16052 16707 22276 24078 33414 48156 66828 22348397 44696794 67045191 89393588 134090382 268180764