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200420448 = 2532087713
BaseRepresentation
bin10111111001000…
…10110001100000
3111222010102011120
423330202301200
5402301423243
631515412240
74652355114
oct1374426140
9458112146
10200420448
11a314a938
1257154080
13326a37a7
141c891744
15128ddc83
hexbf22c60

200420448 has 24 divisors (see below), whose sum is σ = 526103928. Its totient is φ = 66806784.

The previous prime is 200420447. The next prime is 200420449. The reversal of 200420448 is 844024002.

It is an interprime number because it is at equal distance from previous prime (200420447) and next prime (200420449).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200420447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043761 + ... + 1043952.

It is an arithmetic number, because the mean of its divisors is an integer number (21920997).

Almost surely, 2200420448 is an apocalyptic number.

It is an amenable number.

200420448 is an abundant number, since it is smaller than the sum of its proper divisors (325683480).

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

200420448 is a wasteful number, since it uses less digits than its factorization.

200420448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087726 (or 2087718 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 200420448 is about 14156.9929010366. The cubic root of 200420448 is about 585.2130599488.

The spelling of 200420448 in words is "two hundred million, four hundred twenty thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2087713 4175426 6263139 8350852 12526278 16701704 25052556 33403408 50105112 66806816 100210224 200420448