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162140717 is a prime number
BaseRepresentation
bin10011010101000…
…01001000101101
3102022002121020202
421222201020231
5313002000332
624031123245
74006113314
oct1152411055
9368077222
10162140717
11835847a2
1246373525
132778cc6b
141776927b
15e37ba62
hex9aa122d

162140717 has 2 divisors, whose sum is σ = 162140718. Its totient is φ = 162140716.

The previous prime is 162140701. The next prime is 162140723. The reversal of 162140717 is 717041261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160630276 + 1510441 = 12674^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 162140717 - 24 = 162140701 is a prime.

It is a super-2 number, since 2×1621407172 = 52579224218548178, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162140717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162140767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81070358 + 81070359.

It is an arithmetic number, because the mean of its divisors is an integer number (81070359).

Almost surely, 2162140717 is an apocalyptic number.

It is an amenable number.

162140717 is a deficient number, since it is larger than the sum of its proper divisors (1).

162140717 is an equidigital number, since it uses as much as digits as its factorization.

162140717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 162140717 is about 12733.4487472954. The cubic root of 162140717 is about 545.2939715278.

Adding to 162140717 its reverse (717041261), we get a palindrome (879181978).

The spelling of 162140717 in words is "one hundred sixty-two million, one hundred forty thousand, seven hundred seventeen".