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19422192 = 2434171139
BaseRepresentation
bin100101000010…
…1101111110000
31100112202020110
41022011233300
514433002232
61532141320
7324041316
oct112055760
940482213
1019422192
11aa661a9
126607840
13404042a
1428180b6
151a89acc
hex1285bf0

19422192 has 80 divisors (see below), whose sum is σ = 52496640. Its totient is φ = 6182400.

The previous prime is 19422173. The next prime is 19422209. The reversal of 19422192 is 29122491.

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 15 ways as a sum of consecutive naturals, for example, 139659 + ... + 139797.

It is an arithmetic number, because the mean of its divisors is an integer number (656208).

Almost surely, 219422192 is an apocalyptic number.

19422192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19422192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26248320).

19422192 is an abundant number, since it is smaller than the sum of its proper divisors (33074448).

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

19422192 is a wasteful number, since it uses less digits than its factorization.

19422192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 256 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 19422192 is about 4407.0616061045. The cubic root of 19422192 is about 268.8021559493.

The spelling of 19422192 in words is "nineteen million, four hundred twenty-two thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 71 82 123 139 142 164 213 246 278 284 328 417 426 492 556 568 656 834 852 984 1112 1136 1668 1704 1968 2224 2911 3336 3408 5699 5822 6672 8733 9869 11398 11644 17097 17466 19738 22796 23288 29607 34194 34932 39476 45592 46576 59214 68388 69864 78952 91184 118428 136776 139728 157904 236856 273552 404629 473712 809258 1213887 1618516 2427774 3237032 4855548 6474064 9711096 19422192