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19386414 = 2321077023
BaseRepresentation
bin100100111110…
…1000000101110
31100110221011100
41021331000232
514430331124
61531303530
7323532105
oct111750056
940427140
1019386414
11aa41333
1265aaba6
13402a068
14280903c
151a7e1c9
hex127d02e

19386414 has 12 divisors (see below), whose sum is σ = 42003936. Its totient is φ = 6462132.

The previous prime is 19386379. The next prime is 19386449. The reversal of 19386414 is 41468391.

19386414 = 22002 + 22012 + ... + 22032.

19386414 is a `hidden beast` number, since 1 + 9 + 3 + 8 + 641 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (19386379) and next prime (19386449).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538494 + ... + 538529.

It is an arithmetic number, because the mean of its divisors is an integer number (3500328).

Almost surely, 219386414 is an apocalyptic number.

19386414 is an abundant number, since it is smaller than the sum of its proper divisors (22617522).

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

19386414 is a wasteful number, since it uses less digits than its factorization.

19386414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077031 (or 1077028 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 19386414 is about 4403.0005677946. Note that the first 3 decimals coincide. The cubic root of 19386414 is about 268.6369992575.

The spelling of 19386414 in words is "nineteen million, three hundred eighty-six thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 1077023 2154046 3231069 6462138 9693207 19386414