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19020102 = 2319166843
BaseRepresentation
bin100100010001…
…1100101000110
31022210022200020
41020203211012
514332120402
61515400010
7320445123
oct110434506
938708606
1019020102
11a8110a2
126453006
133c2c3ca
14275174a
151a0a8bc
hex1223946

19020102 has 16 divisors (see below), whose sum is σ = 40042560. Its totient is φ = 6006312.

The previous prime is 19020073. The next prime is 19020137. The reversal of 19020102 is 20102091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83308 + ... + 83535.

It is an arithmetic number, because the mean of its divisors is an integer number (2502660).

Almost surely, 219020102 is an apocalyptic number.

19020102 is an abundant number, since it is smaller than the sum of its proper divisors (21022458).

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

19020102 is a wasteful number, since it uses less digits than its factorization.

19020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166867.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 19020102 is about 4361.2041915049. The cubic root of 19020102 is about 266.9342373352.

Adding to 19020102 its reverse (20102091), we get a palindrome (39122193).

The spelling of 19020102 in words is "nineteen million, twenty thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 114 166843 333686 500529 1001058 3170017 6340034 9510051 19020102