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200244240 = 24325767593
BaseRepresentation
bin10111110111101…
…11110000010000
3111221210110110100
423323313300100
5402230303430
631511532400
74651022310
oct1373676020
9457713410
10200244240
11a303a509
125708a100
1332641521
141c847440
15128a6960
hexbef7c10

200244240 has 240 divisors, whose sum is σ = 781342848. Its totient is φ = 45010944.

The previous prime is 200244203. The next prime is 200244277. The reversal of 200244240 is 42442002.

It is an interprime number because it is at equal distance from previous prime (200244203) and next prime (200244277).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 337384 + ... + 337976.

Almost surely, 2200244240 is an apocalyptic number.

200244240 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 200244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390671424).

200244240 is an abundant number, since it is smaller than the sum of its proper divisors (581098608).

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

200244240 is a wasteful number, since it uses less digits than its factorization.

200244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 200244240 is about 14150.7681770284. The cubic root of 200244240 is about 585.0415048352.

Adding to 200244240 its reverse (42442002), we get a palindrome (242686242).

The spelling of 200244240 in words is "two hundred million, two hundred forty-four thousand, two hundred forty".