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57302429 is a prime number
BaseRepresentation
bin1101101010010…
…1110110011101
310222211021011012
43122211312131
5104132134204
65404105005
71264030322
oct332456635
9128737135
1057302429
112a389188
1217235165
13bb44182
147878b49
15506d76e
hex36a5d9d

57302429 has 2 divisors, whose sum is σ = 57302430. Its totient is φ = 57302428.

The previous prime is 57302411. The next prime is 57302437. The reversal of 57302429 is 92420375.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 20457529 = 6070^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 57302429 - 224 = 40525213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57302395 and 57302404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57302449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28651214 + 28651215.

It is an arithmetic number, because the mean of its divisors is an integer number (28651215).

Almost surely, 257302429 is an apocalyptic number.

It is an amenable number.

57302429 is a deficient number, since it is larger than the sum of its proper divisors (1).

57302429 is an equidigital number, since it uses as much as digits as its factorization.

57302429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57302429 is about 7569.8367882009. The cubic root of 57302429 is about 385.5295551950.

The spelling of 57302429 in words is "fifty-seven million, three hundred two thousand, four hundred twenty-nine".