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19220088 = 2332334819
BaseRepresentation
bin100100101010…
…0011001111000
31100011111000010
41021110121320
514410020323
61523541520
7322240146
oct111243170
940144003
1019220088
11a938378
12652a8a0
133c9c444
1427a4596
151a49c93
hex1254678

19220088 has 32 divisors (see below), whose sum is σ = 50140800. Its totient is φ = 6127968.

The previous prime is 19220087. The next prime is 19220099. The reversal of 19220088 is 88002291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19220083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16858 + ... + 17961.

It is an arithmetic number, because the mean of its divisors is an integer number (1566900).

Almost surely, 219220088 is an apocalyptic number.

It is an amenable number.

19220088 is an abundant number, since it is smaller than the sum of its proper divisors (30920712).

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

19220088 is a wasteful number, since it uses less digits than its factorization.

19220088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34851 (or 34847 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 19220088 is about 4384.0720796994. The cubic root of 19220088 is about 267.8665333800.

The spelling of 19220088 in words is "nineteen million, two hundred twenty thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 34819 69638 104457 139276 208914 278552 417828 800837 835656 1601674 2402511 3203348 4805022 6406696 9610044 19220088