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19006316 = 22741979
BaseRepresentation
bin100100010000…
…0001101101100
31022202121202122
41020200031230
514331200231
61515212112
7320360000
oct110401554
938677678
1019006316
11a8017aa
126447038
133c26054
14274a700
151a0677b
hex122036c

19006316 has 30 divisors (see below), whose sum is σ = 38821860. Its totient is φ = 8141448.

The previous prime is 19006297. The next prime is 19006321. The reversal of 19006316 is 61360091.

It is a super-2 number, since 2×190063162 = 722480095783712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8615 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (1294062).

Almost surely, 219006316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19006316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19410930).

19006316 is an abundant number, since it is smaller than the sum of its proper divisors (19815544).

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

19006316 is an equidigital number, since it uses as much as digits as its factorization.

19006316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 19006316 is about 4359.6233782289. The cubic root of 19006316 is about 266.8697293593.

The spelling of 19006316 in words is "nineteen million, six thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 1979 2401 3958 4802 7916 9604 13853 27706 55412 96971 193942 387884 678797 1357594 2715188 4751579 9503158 19006316