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357400213 is a prime number
BaseRepresentation
bin10101010011010…
…111111010010101
3220220111210220221
4111103113322111
51212443301323
655244154341
711566565062
oct2523277225
9826453827
10357400213
1117381a085
129b8389b1
1359077621
1435675c69
152159b55d
hex154d7e95

357400213 has 2 divisors, whose sum is σ = 357400214. Its totient is φ = 357400212.

The previous prime is 357400201. The next prime is 357400249. The reversal of 357400213 is 312004753.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208022929 + 149377284 = 14423^2 + 12222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-357400213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (357400273) 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, 178700106 + 178700107.

It is an arithmetic number, because the mean of its divisors is an integer number (178700107).

Almost surely, 2357400213 is an apocalyptic number.

It is an amenable number.

357400213 is a deficient number, since it is larger than the sum of its proper divisors (1).

357400213 is an equidigital number, since it uses as much as digits as its factorization.

357400213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 357400213 is about 18905.0314202331. The cubic root of 357400213 is about 709.6620841235.

Adding to 357400213 its reverse (312004753), we get a palindrome (669404966).

The spelling of 357400213 in words is "three hundred fifty-seven million, four hundred thousand, two hundred thirteen".