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200870208 = 26327211647
BaseRepresentation
bin10111111100100…
…00100101000000
3111222222021010100
423332100211000
5402410321313
631533202400
74656240300
oct1376204500
9458867110
10200870208
11a3427840
1257330400
1332800416
141c96b600
151297c173
hexbf90940

200870208 has 252 divisors, whose sum is σ = 731776032. Its totient is φ = 52093440.

The previous prime is 200870207. The next prime is 200870213. The reversal of 200870208 is 802078002.

It is a tau number, because it is divible by the number of its divisors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200870207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 310141 + ... + 310787.

Almost surely, 2200870208 is an apocalyptic number.

200870208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200870208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365888016).

200870208 is an abundant number, since it is smaller than the sum of its proper divisors (530905824).

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

200870208 is a wasteful number, since it uses less digits than its factorization.

200870208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 200870208 is about 14172.8687286660. The cubic root of 200870208 is about 585.6504883460.

The spelling of 200870208 in words is "two hundred million, eight hundred seventy thousand, two hundred eight".