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198192037 is a prime number
BaseRepresentation
bin10111101000000…
…10101110100101
3111210221012100211
423310002232211
5401214121122
631355535421
74624414231
oct1364025645
9453835324
10198192037
11a196867a
125645a571
13320a33c4
141c4715c1
15125ed877
hexbd02ba5

198192037 has 2 divisors, whose sum is σ = 198192038. Its totient is φ = 198192036.

The previous prime is 198192023. The next prime is 198192041. The reversal of 198192037 is 730291891.

198192037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106626276 + 91565761 = 10326^2 + 9569^2 .

It is a cyclic number.

It is not a de Polignac number, because 198192037 - 211 = 198189989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198192067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99096018 + 99096019.

It is an arithmetic number, because the mean of its divisors is an integer number (99096019).

Almost surely, 2198192037 is an apocalyptic number.

It is an amenable number.

198192037 is a deficient number, since it is larger than the sum of its proper divisors (1).

198192037 is an equidigital number, since it uses as much as digits as its factorization.

198192037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 198192037 is about 14078.0693633751. The cubic root of 198192037 is about 583.0360389503.

The spelling of 198192037 in words is "one hundred ninety-eight million, one hundred ninety-two thousand, thirty-seven".