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19429036 = 2211441569
BaseRepresentation
bin100101000011…
…1011010101100
31100120002121221
41022013122230
514433212121
61532233124
7324100264
oct112073254
940502557
1019429036
11aa70360
12660b7a4
134043593
14281a7a4
151a8bb41
hex12876ac

19429036 has 12 divisors (see below), whose sum is σ = 37091880. Its totient is φ = 8831360.

The previous prime is 19429031. The next prime is 19429037. The reversal of 19429036 is 63092491.

It is a junction number, because it is equal to n+sod(n) for n = 19428992 and 19429010.

It is not an unprimeable number, because it can be changed into a prime (19429031) 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, 220741 + ... + 220828.

It is an arithmetic number, because the mean of its divisors is an integer number (3090990).

Almost surely, 219429036 is an apocalyptic number.

It is an amenable number.

19429036 is a deficient number, since it is larger than the sum of its proper divisors (17662844).

19429036 is a wasteful number, since it uses less digits than its factorization.

19429036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441584 (or 441582 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 19429036 is about 4407.8380188024. The cubic root of 19429036 is about 268.8337257794.

The spelling of 19429036 in words is "nineteen million, four hundred twenty-nine thousand, thirty-six".

Divisors: 1 2 4 11 22 44 441569 883138 1766276 4857259 9714518 19429036