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19130233 is a prime number
BaseRepresentation
bin100100011111…
…0011101111001
31022222220202011
41020332131321
514344131413
61522005521
7321414163
oct110763571
938886664
1019130233
11a886911
1264a68a1
133c6a585
14277d933
151a2d33d
hex123e779

19130233 has 2 divisors, whose sum is σ = 19130234. Its totient is φ = 19130232.

The previous prime is 19130203. The next prime is 19130249. The reversal of 19130233 is 33203191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9809424 + 9320809 = 3132^2 + 3053^2 .

It is a cyclic number.

It is not a de Polignac number, because 19130233 - 25 = 19130201 is a prime.

It is not a weakly prime, because it can be changed into another prime (19130203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9565116 + 9565117.

It is an arithmetic number, because the mean of its divisors is an integer number (9565117).

Almost surely, 219130233 is an apocalyptic number.

It is an amenable number.

19130233 is a deficient number, since it is larger than the sum of its proper divisors (1).

19130233 is an equidigital number, since it uses as much as digits as its factorization.

19130233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 19130233 is about 4373.8121816100. The cubic root of 19130233 is about 267.4484507765.

The spelling of 19130233 in words is "nineteen million, one hundred thirty thousand, two hundred thirty-three".