Search a number
-
+
194144984 = 2311318233
BaseRepresentation
bin10111001001001…
…10101011011000
3111112022120211222
423210212223120
5344200114414
631133111212
74545130235
oct1344465330
9445276758
10194144984
119a654000
1255028508
13312b72b7
141bada78c
151209e68e
hexb926ad8

194144984 has 32 divisors (see below), whose sum is σ = 400418640. Its totient is φ = 88242880.

The previous prime is 194144969. The next prime is 194144999. The reversal of 194144984 is 489441491.

194144984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (194144969) and next prime (194144999).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532 + ... + 19764.

Almost surely, 2194144984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194144984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200209320).

194144984 is an abundant number, since it is smaller than the sum of its proper divisors (206273656).

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

194144984 is a wasteful number, since it uses less digits than its factorization.

194144984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272 (or 18246 counting only the distinct ones).

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

The square root of 194144984 is about 13933.5919274249. The cubic root of 194144984 is about 579.0402120576.

The spelling of 194144984 in words is "one hundred ninety-four million, one hundred forty-four thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 1331 2662 5324 10648 18233 36466 72932 145864 200563 401126 802252 1604504 2206193 4412386 8824772 17649544 24268123 48536246 97072492 194144984