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19496428 = 2271993499
BaseRepresentation
bin100101001011…
…1110111101100
31100200112001221
41022113313230
514442341203
61533513124
7324500620
oct112276754
940615057
1019496428
1110006a56
1266427a4
134068163
142837180
151aa1abd
hex1297dec

19496428 has 24 divisors (see below), whose sum is σ = 39200000. Its totient is φ = 8311248.

The previous prime is 19496423. The next prime is 19496431. The reversal of 19496428 is 82469491.

It is a super-2 number, since 2×194964282 = 760221409518368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19496423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3823 + ... + 7321.

Almost surely, 219496428 is an apocalyptic number.

It is an amenable number.

19496428 is an abundant number, since it is smaller than the sum of its proper divisors (19703572).

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

19496428 is a wasteful number, since it uses less digits than its factorization.

19496428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3707 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 19496428 is about 4415.4759652839. The cubic root of 19496428 is about 269.1441946987.

The spelling of 19496428 in words is "nineteen million, four hundred ninety-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 199 398 796 1393 2786 3499 5572 6998 13996 24493 48986 97972 696301 1392602 2785204 4874107 9748214 19496428