Search a number
-
+
194948144 = 2459920341
BaseRepresentation
bin10111001111010…
…10110000110000
3111120211101120122
423213222300300
5344401320034
631202225412
74555013636
oct1347526060
9446741518
10194948144
11a0052476
1255355268
1331508a41
141bc69356
15121ac62e
hexb9eac30

194948144 has 20 divisors (see below), whose sum is σ = 378361200. Its totient is φ = 97306560.

The previous prime is 194948137. The next prime is 194948147. The reversal of 194948144 is 441849491.

194948144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 194948095 and 194948104.

It is not an unprimeable number, because it can be changed into a prime (194948147) 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, 587 + ... + 19754.

It is an arithmetic number, because the mean of its divisors is an integer number (18918060).

Almost surely, 2194948144 is an apocalyptic number.

It is an amenable number.

194948144 is a deficient number, since it is larger than the sum of its proper divisors (183413056).

194948144 is a wasteful number, since it uses less digits than its factorization.

194948144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20948 (or 20942 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 194948144 is about 13962.3831776671. The cubic root of 194948144 is about 579.8375922608.

The spelling of 194948144 in words is "one hundred ninety-four million, nine hundred forty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 599 1198 2396 4792 9584 20341 40682 81364 162728 325456 12184259 24368518 48737036 97474072 194948144