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194592430 = 25129115073
BaseRepresentation
bin10111001100100…
…11111010101110
3111120011022122001
423212103322232
5344303424210
631150442514
74552002604
oct1346237256
9446138561
10194592430
119a92a19a
125520343a
1331412b66
141bbb5874
151213c03a
hexb993eae

194592430 has 16 divisors (see below), whose sum is σ = 350560944. Its totient is φ = 77771520.

The previous prime is 194592427. The next prime is 194592449. The reversal of 194592430 is 34295491.

It is a self number, because there is not a number n which added to its sum of digits gives 194592430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5374 + ... + 20446.

It is an arithmetic number, because the mean of its divisors is an integer number (21910059).

Almost surely, 2194592430 is an apocalyptic number.

194592430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194592430 is a deficient number, since it is larger than the sum of its proper divisors (155968514).

194592430 is a wasteful number, since it uses less digits than its factorization.

194592430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16371.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 194592430 is about 13949.6390634310. The cubic root of 194592430 is about 579.4847088023.

It can be divided in two parts, 19 and 4592430, that added together give a square (4592449 = 21432).

The spelling of 194592430 in words is "one hundred ninety-four million, five hundred ninety-two thousand, four hundred thirty".

Divisors: 1 2 5 10 1291 2582 6455 12910 15073 30146 75365 150730 19459243 38918486 97296215 194592430