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200542700 = 22522005427
BaseRepresentation
bin10111111010000…
…00100111101100
3111222100121212102
423331000213230
5402314331300
631522154232
74653404411
oct1375004754
9458317772
10200542700
11a3223776
12571b2978
1332717327
141c8c4108
15129150d5
hexbf409ec

200542700 has 18 divisors (see below), whose sum is σ = 435177876. Its totient is φ = 80217040.

The previous prime is 200542673. The next prime is 200542709. The reversal of 200542700 is 7245002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (200542709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002614 + ... + 1002813.

Almost surely, 2200542700 is an apocalyptic number.

200542700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200542700 is an abundant number, since it is smaller than the sum of its proper divisors (234635176).

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

200542700 is a wasteful number, since it uses less digits than its factorization.

200542700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005441 (or 2005434 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 200542700 is about 14161.3099676548. The cubic root of 200542700 is about 585.3320247317.

Adding to 200542700 its reverse (7245002), we get a palindrome (207787702).

The spelling of 200542700 in words is "two hundred million, five hundred forty-two thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2005427 4010854 8021708 10027135 20054270 40108540 50135675 100271350 200542700