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19424202 = 237462481
BaseRepresentation
bin100101000011…
…0001111001010
31100112211222220
41022012033022
514433033302
61532154510
7324050220
oct112061712
940484886
1019424202
11aa67766
126608a36
134041315
142818b10
151a8a4bc
hex12863ca

19424202 has 16 divisors (see below), whose sum is σ = 44398272. Its totient is φ = 5549760.

The previous prime is 19424179. The next prime is 19424203. The reversal of 19424202 is 20242491.

It is not an unprimeable number, because it can be changed into a prime (19424203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231199 + ... + 231282.

It is an arithmetic number, because the mean of its divisors is an integer number (2774892).

Almost surely, 219424202 is an apocalyptic number.

19424202 is an abundant number, since it is smaller than the sum of its proper divisors (24974070).

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

19424202 is a wasteful number, since it uses less digits than its factorization.

19424202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462493.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 19424202 is about 4407.2896433069. The cubic root of 19424202 is about 268.8114283955.

Adding to 19424202 its reverse (20242491), we get a palindrome (39666693).

The spelling of 19424202 in words is "nineteen million, four hundred twenty-four thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 462481 924962 1387443 2774886 3237367 6474734 9712101 19424202