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19107414 = 234791493
BaseRepresentation
bin100100011100…
…0111001010110
31022221202110000
41020320321112
514342414124
61521312130
7321260514
oct110707126
938852400
1019107414
11a870757
126495646
133c60081
1427754b4
151a266c9
hex1238e56

19107414 has 40 divisors (see below), whose sum is σ = 43385760. Its totient is φ = 6284304.

The previous prime is 19107391. The next prime is 19107419. The reversal of 19107414 is 41470191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19107419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12052 + ... + 13544.

It is an arithmetic number, because the mean of its divisors is an integer number (1084644).

Almost surely, 219107414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19107414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21692880).

19107414 is an abundant number, since it is smaller than the sum of its proper divisors (24278346).

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

19107414 is a wasteful number, since it uses less digits than its factorization.

19107414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 19107414 is about 4371.2028092963. The cubic root of 19107414 is about 267.3420688283.

The spelling of 19107414 in words is "nineteen million, one hundred seven thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 79 81 158 162 237 474 711 1422 1493 2133 2986 4266 4479 6399 8958 12798 13437 26874 40311 80622 117947 120933 235894 241866 353841 707682 1061523 2123046 3184569 6369138 9553707 19107414