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19089330 = 2351348947
BaseRepresentation
bin100100011010…
…0011110110010
31022220211122020
41020310132302
514341324310
61521052310
7321154011
oct110643662
938824566
1019089330
11a859107
126487096
133c54a80
14276ca78
151a21170
hex12347b2

19089330 has 32 divisors (see below), whose sum is σ = 49339584. Its totient is φ = 4698816.

The previous prime is 19089311. The next prime is 19089349. The reversal of 19089330 is 3398091.

It is an interprime number because it is at equal distance from previous prime (19089311) and next prime (19089349).

It is a junction number, because it is equal to n+sod(n) for n = 19089291 and 19089300.

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, 24084 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (1541862).

Almost surely, 219089330 is an apocalyptic number.

19089330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19089330 is an abundant number, since it is smaller than the sum of its proper divisors (30250254).

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

19089330 is a wasteful number, since it uses less digits than its factorization.

19089330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48970.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 19089330 is about 4369.1337814262. The cubic root of 19089330 is about 267.2577012280.

The spelling of 19089330 in words is "nineteen million, eighty-nine thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 48947 97894 146841 244735 293682 489470 636311 734205 1272622 1468410 1908933 3181555 3817866 6363110 9544665 19089330