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196307249 = 669129339
BaseRepresentation
bin10111011001101…
…10100100110001
3111200101102220212
423230312210301
5400223312444
631251313505
74602404225
oct1354664461
9450342825
10196307249
11a08a05a6
12558ab895
1331893548
141c100785
151237a19e
hexbb36931

196307249 has 4 divisors (see below), whose sum is σ = 196343280. Its totient is φ = 196271220.

The previous prime is 196307239. The next prime is 196307291. The reversal of 196307249 is 942703691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196307249 - 212 = 196303153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196307239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7979 + ... + 21360.

It is an arithmetic number, because the mean of its divisors is an integer number (49085820).

Almost surely, 2196307249 is an apocalyptic number.

It is an amenable number.

196307249 is a deficient number, since it is larger than the sum of its proper divisors (36031).

196307249 is an equidigital number, since it uses as much as digits as its factorization.

196307249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36030.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 196307249 is about 14010.9688815585. The cubic root of 196307249 is about 581.1819427157.

The spelling of 196307249 in words is "one hundred ninety-six million, three hundred seven thousand, two hundred forty-nine".

Divisors: 1 6691 29339 196307249