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200897400 = 233521161499
BaseRepresentation
bin10111111100101…
…11001101111000
3112000000122102110
423332113031320
5402412204100
631533532320
74656412464
oct1376271570
9460018373
10200897400
11a3446210
12573440a0
133280c902
141c9774a4
1512985250
hexbf97378

200897400 has 192 divisors, whose sum is σ = 691920000. Its totient is φ = 47808000.

The previous prime is 200897353. The next prime is 200897441. The reversal of 200897400 is 4798002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402351 + ... + 402849.

It is an arithmetic number, because the mean of its divisors is an integer number (3603750).

Almost surely, 2200897400 is an apocalyptic number.

200897400 is a gapful number since it is divisible by the number (20) 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 200897400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345960000).

200897400 is an abundant number, since it is smaller than the sum of its proper divisors (491022600).

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

200897400 is a wasteful number, since it uses less digits than its factorization.

200897400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 200897400 is about 14173.8279938766. The cubic root of 200897400 is about 585.6769138502.

The spelling of 200897400 in words is "two hundred million, eight hundred ninety-seven thousand, four hundred".