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50197 = 771101
BaseRepresentation
bin1100010000010101
32112212011
430100111
53101242
61024221
7266230
oct142025
975764
1050197
1134794
1225071
1319b04
1414417
15ed17
hexc415

50197 has 8 divisors (see below), whose sum is σ = 58752. Its totient is φ = 42000.

The previous prime is 50177. The next prime is 50207. The reversal of 50197 is 79105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50197 - 27 = 50069 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 (50147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447 + ... + 547.

It is an arithmetic number, because the mean of its divisors is an integer number (7344).

250197 is an apocalyptic number.

50197 is the 142-nd heptagonal number.

It is an amenable number.

50197 is a deficient number, since it is larger than the sum of its proper divisors (8555).

50197 is a wasteful number, since it uses less digits than its factorization.

50197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 50197 is about 224.0468700964. The cubic root of 50197 is about 36.8886351950. Note that the first 3 decimals are identical.

The spelling of 50197 in words is "fifty thousand, one hundred ninety-seven".

Divisors: 1 7 71 101 497 707 7171 50197