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195970 = 2519597
BaseRepresentation
bin101111110110000010
3100221211011
4233312002
522232340
64111134
71444225
oct576602
9327734
10195970
11124265
12954aa
136b278
14515bc
153d0ea
hex2fd82

195970 has 8 divisors (see below), whose sum is σ = 352764. Its totient is φ = 78384.

The previous prime is 195967. The next prime is 195971. The reversal of 195970 is 79591.

It can be written as a sum of positive squares in 2 ways, for example, as 192721 + 3249 = 439^2 + 57^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (195971) 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, 9789 + ... + 9808.

2195970 is an apocalyptic number.

195970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195970 is a deficient number, since it is larger than the sum of its proper divisors (156794).

195970 is a wasteful number, since it uses less digits than its factorization.

195970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19604.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 195970 is about 442.6849895806. The cubic root of 195970 is about 58.0848935182.

The spelling of 195970 in words is "one hundred ninety-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 19597 39194 97985 195970