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200745480 = 233513128683
BaseRepresentation
bin10111111011100…
…10001000001000
3111222201221000210
423331302020020
5402342323410
631530401120
74655210535
oct1375621010
9458657023
10200745480
11a3352061
12572901a0
1332788710
141c937d8c
1512955220
hexbf72208

200745480 has 64 divisors (see below), whose sum is σ = 648567360. Its totient is φ = 49413888.

The previous prime is 200745473. The next prime is 200745497. The reversal of 200745480 is 84547002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 62782 + ... + 65901.

It is an arithmetic number, because the mean of its divisors is an integer number (10133865).

Almost surely, 2200745480 is an apocalyptic number.

200745480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200745480 is an abundant number, since it is smaller than the sum of its proper divisors (447821880).

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

200745480 is a wasteful number, since it uses less digits than its factorization.

200745480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128710 (or 128706 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 200745480 is about 14168.4678070707. The cubic root of 200745480 is about 585.5292456469.

The spelling of 200745480 in words is "two hundred million, seven hundred forty-five thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 128683 257366 386049 514732 643415 772098 1029464 1286830 1544196 1672879 1930245 2573660 3088392 3345758 3860490 5018637 5147320 6691516 7720980 8364395 10037274 13383032 15441960 16728790 20074548 25093185 33457580 40149096 50186370 66915160 100372740 200745480