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468187820 = 225171377023
BaseRepresentation
bin11011111001111…
…111101010101100
31012121222101221122
4123321333222230
51424324002240
6114242520112
714413350032
oct3371775254
91177871848
10468187820
11220309491
12110966038
1375cc7319
1446274552
152b1824b5
hex1be7faac

468187820 has 24 divisors (see below), whose sum is σ = 1041030144. Its totient is φ = 176258816.

The previous prime is 468187799. The next prime is 468187829. The reversal of 468187820 is 28781864.

It is not an unprimeable number, because it can be changed into a prime (468187829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688172 + ... + 688851.

It is an arithmetic number, because the mean of its divisors is an integer number (43376256).

Almost surely, 2468187820 is an apocalyptic number.

It is an amenable number.

468187820 is an abundant number, since it is smaller than the sum of its proper divisors (572842324).

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

468187820 is a wasteful number, since it uses less digits than its factorization.

468187820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377049 (or 1377047 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 468187820 is about 21637.6482086201. The cubic root of 468187820 is about 776.4974557742.

The spelling of 468187820 in words is "four hundred sixty-eight million, one hundred eighty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1377023 2754046 5508092 6885115 13770230 23409391 27540460 46818782 93637564 117046955 234093910 468187820