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30269957 is a prime number
BaseRepresentation
bin111001101111…
…0001000000101
32002221212120112
41303132020011
530222114312
63000442405
7515201414
oct163361005
962855515
1030269957
11160a52a3
12a179405
13636ab23
14403d47b
1529cdd22
hex1cde205

30269957 has 2 divisors, whose sum is σ = 30269958. Its totient is φ = 30269956.

The previous prime is 30269951. The next prime is 30269971. The reversal of 30269957 is 75996203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19307236 + 10962721 = 4394^2 + 3311^2 .

It is a cyclic number.

It is not a de Polignac number, because 30269957 - 224 = 13492741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30269951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15134978 + 15134979.

It is an arithmetic number, because the mean of its divisors is an integer number (15134979).

Almost surely, 230269957 is an apocalyptic number.

It is an amenable number.

30269957 is a deficient number, since it is larger than the sum of its proper divisors (1).

30269957 is an equidigital number, since it uses as much as digits as its factorization.

30269957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 30269957 is about 5501.8139735909. The cubic root of 30269957 is about 311.6524901645.

The spelling of 30269957 in words is "thirty million, two hundred sixty-nine thousand, nine hundred fifty-seven".