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200455120 = 24523108943
BaseRepresentation
bin10111111001010…
…11001111010000
3111222012011201201
423330223033100
5402304030440
631520240544
74652561155
oct1374531720
9458164651
10200455120
11a3173998
1257170154
13326b64c8
141c8a022c
15128e919a
hexbf2b3d0

200455120 has 40 divisors (see below), whose sum is σ = 486326016. Its totient is φ = 76695168.

The previous prime is 200455093. The next prime is 200455127. The reversal of 200455120 is 21554002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200455127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52632 + ... + 56311.

Almost surely, 2200455120 is an apocalyptic number.

200455120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200455120 is an abundant number, since it is smaller than the sum of its proper divisors (285870896).

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

200455120 is a wasteful number, since it uses less digits than its factorization.

200455120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108979 (or 108973 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 200455120 is about 14158.2174019189. The cubic root of 200455120 is about 585.2468045716.

The spelling of 200455120 in words is "two hundred million, four hundred fifty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 108943 217886 435772 544715 871544 1089430 1743088 2178860 2505689 4357720 5011378 8715440 10022756 12528445 20045512 25056890 40091024 50113780 100227560 200455120