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194701 = 1317881
BaseRepresentation
bin101111100010001101
3100220002011
4233202031
522212301
64101221
71440433
oct574215
9326064
10194701
11123311
1294811
136a810
1450d53
153ca51
hex2f88d

194701 has 8 divisors (see below), whose sum is σ = 222264. Its totient is φ = 168960.

The previous prime is 194687. The next prime is 194707. The reversal of 194701 is 107491.

It can be written as a sum of positive squares in 4 ways, for example, as 5476 + 189225 = 74^2 + 435^2 .

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

It is a 5-Lehmer number, since φ(194701) divides (194701-1)5.

It is a cyclic number.

It is not a de Polignac number, because 194701 - 217 = 63629 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 (194707) 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, 220 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (27783).

2194701 is an apocalyptic number.

194701 is the 221-st decagonal number.

It is an amenable number.

194701 is a deficient number, since it is larger than the sum of its proper divisors (27563).

194701 is a wasteful number, since it uses less digits than its factorization.

194701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 194701 is about 441.2493626058. The cubic root of 194701 is about 57.9592460438.

The spelling of 194701 in words is "one hundred ninety-four thousand, seven hundred one".

Divisors: 1 13 17 221 881 11453 14977 194701