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194144384 = 277216679
BaseRepresentation
bin10111001001001…
…10100010000000
3111112022120000202
423210212202000
5344200110014
631133104332
74545125420
oct1344464200
9445276022
10194144384
119a653605
12550280a8
13312b6c45
141bada480
151209e3de
hexb926880

194144384 has 32 divisors (see below), whose sum is σ = 442027200. Its totient is φ = 83204352.

The previous prime is 194144383. The next prime is 194144393. The reversal of 194144384 is 483441491.

194144384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (194144383) 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, 107444 + ... + 109235.

It is an arithmetic number, because the mean of its divisors is an integer number (13813350).

Almost surely, 2194144384 is an apocalyptic number.

194144384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

194144384 is an abundant number, since it is smaller than the sum of its proper divisors (247882816).

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

194144384 is an equidigital number, since it uses as much as digits as its factorization.

194144384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216700 (or 216688 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 194144384 is about 13933.5703967074. The cubic root of 194144384 is about 579.0396155541.

The spelling of 194144384 in words is "one hundred ninety-four million, one hundred forty-four thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 216679 433358 866716 1516753 1733432 3033506 3466864 6067012 6933728 12134024 13867456 24268048 27734912 48536096 97072192 194144384