Search a number
-
+
195140856 = 2338130869
BaseRepresentation
bin10111010000110…
…01110011111000
3111121012011221010
423220121303320
5344424001411
631210313520
74556445531
oct1350316370
9447164833
10195140856
11a0174239
12554288a0
1331575681
141bcb9688
15121e97a6
hexba19cf8

195140856 has 16 divisors (see below), whose sum is σ = 487852200. Its totient is φ = 65046944.

The previous prime is 195140819. The next prime is 195140857. The reversal of 195140856 is 658041591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195140857) 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, 4065411 + ... + 4065458.

Almost surely, 2195140856 is an apocalyptic number.

It is an amenable number.

195140856 is an abundant number, since it is smaller than the sum of its proper divisors (292711344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195140856 is a wasteful number, since it uses less digits than its factorization.

195140856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130878 (or 8130874 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 195140856 is about 13969.2825871624. The cubic root of 195140856 is about 580.0285915354.

The spelling of 195140856 in words is "one hundred ninety-five million, one hundred forty thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 8130869 16261738 24392607 32523476 48785214 65046952 97570428 195140856