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200902680 = 23355111879
BaseRepresentation
bin10111111100110…
…00100000011000
3112000000220200000
423332120200120
5402412341210
631534013000
74656434046
oct1376304030
9460026600
10200902680
11a344a180
1257347160
1332812134
141c979396
1512986ac0
hexbf98818

200902680 has 192 divisors, whose sum is σ = 739065600. Its totient is φ = 48677760.

The previous prime is 200902679. The next prime is 200902687. The reversal of 200902680 is 86209002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200902687) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 105981 + ... + 107859.

It is an arithmetic number, because the mean of its divisors is an integer number (3849300).

Almost surely, 2200902680 is an apocalyptic number.

200902680 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 200902680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369532800).

200902680 is an abundant number, since it is smaller than the sum of its proper divisors (538162920).

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

200902680 is a wasteful number, since it uses less digits than its factorization.

200902680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 200902680 is about 14174.0142514391. The cubic root of 200902680 is about 585.6820447396.

The spelling of 200902680 in words is "two hundred million, nine hundred two thousand, six hundred eighty".