Search a number
-
+
57216119 is a prime number
BaseRepresentation
bin1101101001000…
…0110001110111
310222122212202112
43122100301313
5104121403434
65402201235
71263220562
oct332206167
9128585675
1057216119
112a32a354
12171b321b
13bb13abc
1478554d9
155052dce
hex3690c77

57216119 has 2 divisors, whose sum is σ = 57216120. Its totient is φ = 57216118.

The previous prime is 57216113. The next prime is 57216121. The reversal of 57216119 is 91161275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57216119 is a prime.

It is a super-2 number, since 2×572161192 = 6547368546844322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 57216121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57216113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28608059 + 28608060.

It is an arithmetic number, because the mean of its divisors is an integer number (28608060).

Almost surely, 257216119 is an apocalyptic number.

57216119 is a deficient number, since it is larger than the sum of its proper divisors (1).

57216119 is an equidigital number, since it uses as much as digits as its factorization.

57216119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 32.

The square root of 57216119 is about 7564.1337243600. The cubic root of 57216119 is about 385.3358939664.

The spelling of 57216119 in words is "fifty-seven million, two hundred sixteen thousand, one hundred nineteen".