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19033490 = 2571272141
BaseRepresentation
bin100100010011…
…0110110010010
31022211000001002
41020212312102
514333032430
61515542002
7320532140
oct110466622
938730032
1019033490
11a820163
12645a902
133c35528
142756590
151a0e845
hex1226d92

19033490 has 32 divisors (see below), whose sum is σ = 39481344. Its totient is φ = 6471360.

The previous prime is 19033463. The next prime is 19033513. The reversal of 19033490 is 9433091.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7820 + ... + 9960.

It is an arithmetic number, because the mean of its divisors is an integer number (1233792).

Almost surely, 219033490 is an apocalyptic number.

19033490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19033490 is an abundant number, since it is smaller than the sum of its proper divisors (20447854).

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

19033490 is a wasteful number, since it uses less digits than its factorization.

19033490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 19033490 is about 4362.7388186780. The cubic root of 19033490 is about 266.9968531474.

The spelling of 19033490 in words is "nineteen million, thirty-three thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 127 254 635 889 1270 1778 2141 4282 4445 8890 10705 14987 21410 29974 74935 149870 271907 543814 1359535 1903349 2719070 3806698 9516745 19033490