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197901368 = 2373533953
BaseRepresentation
bin10111100101110…
…11110000111000
3111210101102122022
423302323300320
5401130320433
631345414012
74622063630
oct1362736070
9453342568
10197901368
11a178a255
125633a308
1332001002
141c3d76c0
1512592698
hexbcbbc38

197901368 has 16 divisors (see below), whose sum is σ = 424074480. Its totient is φ = 84814848.

The previous prime is 197901343. The next prime is 197901371. The reversal of 197901368 is 863109791.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766921 + ... + 1767032.

It is an arithmetic number, because the mean of its divisors is an integer number (26504655).

Almost surely, 2197901368 is an apocalyptic number.

It is an amenable number.

197901368 is an abundant number, since it is smaller than the sum of its proper divisors (226173112).

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

197901368 is a wasteful number, since it uses less digits than its factorization.

197901368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533966 (or 3533962 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 197901368 is about 14067.7421073888. The cubic root of 197901368 is about 582.7508720634.

The spelling of 197901368 in words is "one hundred ninety-seven million, nine hundred one thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 3533953 7067906 14135812 24737671 28271624 49475342 98950684 197901368