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19430342 = 243122541
BaseRepresentation
bin100101000011…
…1101111000110
31100120011102022
41022013233012
514433232332
61532243142
7324104141
oct112075706
940504368
1019430342
11aa71338
1266104b2
134044059
14281b058
151a8c212
hex1287bc6

19430342 has 8 divisors (see below), whose sum is σ = 29214432. Its totient is φ = 9692200.

The previous prime is 19430321. The next prime is 19430381. The reversal of 19430342 is 24303491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10409 + ... + 12132.

It is an arithmetic number, because the mean of its divisors is an integer number (3651804).

Almost surely, 219430342 is an apocalyptic number.

19430342 is a deficient number, since it is larger than the sum of its proper divisors (9784090).

19430342 is a wasteful number, since it uses less digits than its factorization.

19430342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22974.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 19430342 is about 4407.9861615028. The cubic root of 19430342 is about 268.8397492208.

The spelling of 19430342 in words is "nineteen million, four hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 431 862 22541 45082 9715171 19430342