Search a number
-
+
451152450 = 23352747741
BaseRepresentation
bin11010111001000…
…000101001000010
31011102220220211000
4122321000221002
51410443334300
6112433432430
714115506160
oct3271005102
91142826730
10451152450
11211733571
1210710b716
1372611418
1443cbc230
1529919c00
hex1ae40a42

451152450 has 96 divisors (see below), whose sum is σ = 1420801920. Its totient is φ = 103118400.

The previous prime is 451152437. The next prime is 451152451. The reversal of 451152450 is 54251154.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (451152451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14421 + ... + 33320.

It is an arithmetic number, because the mean of its divisors is an integer number (14800020).

Almost surely, 2451152450 is an apocalyptic number.

451152450 is an abundant number, since it is smaller than the sum of its proper divisors (969649470).

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

451152450 is a wasteful number, since it uses less digits than its factorization.

451152450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47769 (or 47758 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 451152450 is about 21240.3495733945. The cubic root of 451152450 is about 766.9630475600.

The spelling of 451152450 in words is "four hundred fifty-one million, one hundred fifty-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 90 105 126 135 150 175 189 210 225 270 315 350 378 450 525 630 675 945 1050 1350 1575 1890 3150 4725 9450 47741 95482 143223 238705 286446 334187 429669 477410 668374 716115 859338 1002561 1193525 1289007 1432230 1670935 2005122 2148345 2387050 2578014 3007683 3341870 3580575 4296690 5012805 6015366 6445035 7161150 8354675 9023049 10025610 10741725 12890070 15038415 16709350 18046098 21483450 25064025 30076830 32225175 45115245 50128050 64450350 75192075 90230490 150384150 225576225 451152450