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450042120 = 2332511113647
BaseRepresentation
bin11010110100110…
…001100100001000
31011100211111201200
4122310301210020
51410202321440
6112353544200
714103203103
oct3264614410
91140744650
10450042120
11211045340
12106875060
1372312c18
1443aad73a
152979ac30
hex1ad31908

450042120 has 96 divisors (see below), whose sum is σ = 1595617920. Its totient is φ = 109100160.

The previous prime is 450042101. The next prime is 450042157. The reversal of 450042120 is 21240054.

450042120 is a `hidden beast` number, since 4 + 500 + 42 + 120 = 666.

450042120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 450042093 and 450042102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52864 + ... + 60783.

It is an arithmetic number, because the mean of its divisors is an integer number (16621020).

Almost surely, 2450042120 is an apocalyptic number.

450042120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450042120 is an abundant number, since it is smaller than the sum of its proper divisors (1145575800).

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

450042120 is a wasteful number, since it uses less digits than its factorization.

450042120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113675 (or 113668 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 450042120 is about 21214.1961902873. The cubic root of 450042120 is about 766.3333405019. Note that the first 4 decimals are identical.

Adding to 450042120 its reverse (21240054), we get a palindrome (471282174).

The spelling of 450042120 in words is "four hundred fifty million, forty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 132 165 180 198 220 264 330 360 396 440 495 660 792 990 1320 1980 3960 113647 227294 340941 454588 568235 681882 909176 1022823 1136470 1250117 1363764 1704705 2045646 2272940 2500234 2727528 3409410 3750351 4091292 4545880 5000468 5114115 6250585 6818820 7500702 8182584 10000936 10228230 11251053 12501170 13637640 15001404 18751755 20456460 22502106 25002340 30002808 37503510 40912920 45004212 50004680 56255265 75007020 90008424 112510530 150014040 225021060 450042120