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919054417 is a prime number
BaseRepresentation
bin110110110001111…
…010100001010001
32101001100210122111
4312301322201101
53340234220132
6231110305321
731526555641
oct6661724121
92331323574
10919054417
11431867206
12217958241
131185385a8
148a0ba521
1555a42647
hex36c7a851

919054417 has 2 divisors, whose sum is σ = 919054418. Its totient is φ = 919054416.

The previous prime is 919054393. The next prime is 919054429. The reversal of 919054417 is 714450919.

919054417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487703056 + 431351361 = 22084^2 + 20769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-919054417 is a prime.

It is a super-2 number, since 2×9190544172 = 1689322042814419778, 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 919054417.

It is not a weakly prime, because it can be changed into another prime (919054817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459527208 + 459527209.

It is an arithmetic number, because the mean of its divisors is an integer number (459527209).

Almost surely, 2919054417 is an apocalyptic number.

It is an amenable number.

919054417 is a deficient number, since it is larger than the sum of its proper divisors (1).

919054417 is an equidigital number, since it uses as much as digits as its factorization.

919054417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 919054417 is about 30315.9102947611. The cubic root of 919054417 is about 972.2555005960.

The spelling of 919054417 in words is "nine hundred nineteen million, fifty-four thousand, four hundred seventeen".