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468073728 = 283422573
BaseRepresentation
bin11011111001100…
…011110100000000
31012121202121110000
4123321203310000
51424311324403
6114240240000
714412363303
oct3371436400
91177677400
10468073728
112202407a1
12110910000
1375c87405
1446244b3a
152b15d7a3
hex1be63d00

468073728 has 90 divisors (see below), whose sum is σ = 1395772994. Its totient is φ = 156017664.

The previous prime is 468073709. The next prime is 468073729. The reversal of 468073728 is 827370864.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 288728064 + 179345664 = 16992^2 + 13392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468073729) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9450 + ... + 32022.

Almost surely, 2468073728 is an apocalyptic number.

468073728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 468073728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697886497).

468073728 is an abundant number, since it is smaller than the sum of its proper divisors (927699266).

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

468073728 is an equidigital number, since it uses as much as digits as its factorization.

468073728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22601 (or 22578 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 468073728 is about 21635.0116246791. The cubic root of 468073728 is about 776.4343761430.

The spelling of 468073728 in words is "four hundred sixty-eight million, seventy-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 576 648 768 864 1152 1296 1728 2304 2592 3456 5184 6912 10368 20736 22573 45146 67719 90292 135438 180584 203157 270876 361168 406314 541752 609471 722336 812628 1083504 1218942 1444672 1625256 1828413 2167008 2437884 2889344 3250512 3656826 4334016 4875768 5778688 6501024 7313652 8668032 9751536 13002048 14627304 17336064 19503072 26004096 29254608 39006144 52008192 58509216 78012288 117018432 156024576 234036864 468073728