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372142717 is a prime number
BaseRepresentation
bin10110001011100…
…111001001111101
3221221020210211121
4112023213021331
51230232031332
6100532150541
712136106122
oct2613471175
9857223747
10372142717
11181079371
12a4768451
135c1399bb
14375d2749
1522a0e797
hex162e727d

372142717 has 2 divisors, whose sum is σ = 372142718. Its totient is φ = 372142716.

The previous prime is 372142709. The next prime is 372142751. The reversal of 372142717 is 717241273.

It is an a-pointer prime, because the next prime (372142751) can be obtained adding 372142717 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372142681 + 36 = 19291^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 372142717 - 23 = 372142709 is a prime.

It is a super-2 number, since 2×3721427172 = 276980403632284178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372142777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186071358 + 186071359.

It is an arithmetic number, because the mean of its divisors is an integer number (186071359).

Almost surely, 2372142717 is an apocalyptic number.

It is an amenable number.

372142717 is a deficient number, since it is larger than the sum of its proper divisors (1).

372142717 is an equidigital number, since it uses as much as digits as its factorization.

372142717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 34.

The square root of 372142717 is about 19291.0009330776. Note that the first 3 decimals coincide. The cubic root of 372142717 is about 719.2885958030.

The spelling of 372142717 in words is "three hundred seventy-two million, one hundred forty-two thousand, seven hundred seventeen".