Search a number
-
+
195081455 = 51914332
BaseRepresentation
bin10111010000010…
…11010011101111
3111121002011110002
423220023103233
5344420101310
631205134515
74556110412
oct1350132357
9447064402
10195081455
11a0133648
12553ba43b
133155461a
141bca1b79
15121d6da5
hexba0b4ef

195081455 has 12 divisors (see below), whose sum is σ = 246590760. Its totient is φ = 147748032.

The previous prime is 195081391. The next prime is 195081487. The reversal of 195081455 is 554180591.

It is not a de Polignac number, because 195081455 - 26 = 195081391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135419 + ... + 136851.

It is an arithmetic number, because the mean of its divisors is an integer number (20549230).

Almost surely, 2195081455 is an apocalyptic number.

195081455 is a deficient number, since it is larger than the sum of its proper divisors (51509305).

195081455 is an frugal number, since it uses more digits than its factorization.

195081455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 195081455 is about 13967.1562961112. The cubic root of 195081455 is about 579.9697318727.

The spelling of 195081455 in words is "one hundred ninety-five million, eighty-one thousand, four hundred fifty-five".

Divisors: 1 5 19 95 1433 7165 27227 136135 2053489 10267445 39016291 195081455