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897206784100 = 22521127921092
BaseRepresentation
bin11010000111001011011…
…00010001000001100100
310011202211212212000100121
431003211230101001210
5104144434414042400
61524100543051324
7121551422555644
oct15034554210144
93152755760317
10897206784100
11316559926400
12125a748a0b44
13667b5b95a33
14315d444a524
15185121d221a
hexd0e5b11064

897206784100 has 243 divisors, whose sum is σ = 2187522698571. Its totient is φ = 319171881600.

The previous prime is 897206784079. The next prime is 897206784113. The reversal of 897206784100 is 1487602798.

The square root of 897206784100 is 947210.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3289481316 + 893917302784 = 57354^2 + 945472^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 8231254846 + ... + 8231254954.

Almost surely, 2897206784100 is an apocalyptic number.

897206784100 is the 947210-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897206784100

897206784100 is an abundant number, since it is smaller than the sum of its proper divisors (1290315914471).

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

897206784100 is a wasteful number, since it uses less digits than its factorization.

897206784100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 897206784100 in words is "eight hundred ninety-seven billion, two hundred six million, seven hundred eighty-four thousand, one hundred".