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49000197 = 316333399
BaseRepresentation
bin1011101011101…
…0111100000101
310102012110122010
42322322330011
5100021001242
64510124433
71133331501
oct272727405
9112173563
1049000197
1125728634
12144b0719
13a1c82cc
146717301
15447d89c
hex2ebaf05

49000197 has 4 divisors (see below), whose sum is σ = 65333600. Its totient is φ = 32666796.

The previous prime is 49000123. The next prime is 49000199. The reversal of 49000197 is 79100094.

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 de Polignac number, because none of the positive numbers 2k-49000197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49000199) 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, 8166697 + ... + 8166702.

It is an arithmetic number, because the mean of its divisors is an integer number (16333400).

Almost surely, 249000197 is an apocalyptic number.

It is an amenable number.

49000197 is a deficient number, since it is larger than the sum of its proper divisors (16333403).

49000197 is a wasteful number, since it uses less digits than its factorization.

49000197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333402.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 49000197 is about 7000.0140714144. The cubic root of 49000197 is about 365.9310613984.

The spelling of 49000197 in words is "forty-nine million, one hundred ninety-seven", and thus it is an aban number.

Divisors: 1 3 16333399 49000197