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30535457 is a prime number
BaseRepresentation
bin111010001111…
…0111100100001
32010110100202212
41310132330201
530304113312
63010251505
7520355441
oct164367441
963410685
1030535457
1116266817
12a286b95
136431924
1440ac121
152a32822
hex1d1ef21

30535457 has 2 divisors, whose sum is σ = 30535458. Its totient is φ = 30535456.

The previous prime is 30535433. The next prime is 30535459. The reversal of 30535457 is 75453503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 2825761 = 5264^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 30535457 - 210 = 30534433 is a prime.

Together with 30535459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30535459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267728 + 15267729.

It is an arithmetic number, because the mean of its divisors is an integer number (15267729).

Almost surely, 230535457 is an apocalyptic number.

It is an amenable number.

30535457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30535457 is an equidigital number, since it uses as much as digits as its factorization.

30535457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 30535457 is about 5525.8897021204. The cubic root of 30535457 is about 312.5610146463.

The spelling of 30535457 in words is "thirty million, five hundred thirty-five thousand, four hundred fifty-seven".