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468953680 = 24513450917
BaseRepresentation
bin11011111100111…
…010101001010000
31012200102022111211
4123330322221100
51430023004210
6114311145504
714423016616
oct3374725120
91180368454
10468953680
11220791928
12111075294
1376204ab0
14463d36b6
152b28438a
hex1bf3aa50

468953680 has 40 divisors (see below), whose sum is σ = 1174190472. Its totient is φ = 173151744.

The previous prime is 468953671. The next prime is 468953711. The reversal of 468953680 is 86359864.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 100160064 + 368793616 = 10008^2 + 19204^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224419 + ... + 226498.

Almost surely, 2468953680 is an apocalyptic number.

468953680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

468953680 is an abundant number, since it is smaller than the sum of its proper divisors (705236792).

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

468953680 is a wasteful number, since it uses less digits than its factorization.

468953680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450943 (or 450937 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 468953680 is about 21655.3383718657. The cubic root of 468953680 is about 776.9206223948.

The spelling of 468953680 in words is "four hundred sixty-eight million, nine hundred fifty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 450917 901834 1803668 2254585 3607336 4509170 5861921 7214672 9018340 11723842 18036680 23447684 29309605 36073360 46895368 58619210 93790736 117238420 234476840 468953680