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30153269 is a prime number
BaseRepresentation
bin111001100000…
…1101000110101
32002201221111202
41303001220311
530204401034
62554142245
7514204256
oct163015065
962657452
1030153269
1116025663
12a121985
136329993
14400cb2d
1529a947e
hex1cc1a35

30153269 has 2 divisors, whose sum is σ = 30153270. Its totient is φ = 30153268.

The previous prime is 30153241. The next prime is 30153271. The reversal of 30153269 is 96235103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23716900 + 6436369 = 4870^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 30153269 - 220 = 29104693 is a prime.

It is a super-2 number, since 2×301532692 = 1818439262772722, which contains 22 as substring.

Together with 30153271, 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 (30153469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15076634 + 15076635.

It is an arithmetic number, because the mean of its divisors is an integer number (15076635).

Almost surely, 230153269 is an apocalyptic number.

It is an amenable number.

30153269 is a deficient number, since it is larger than the sum of its proper divisors (1).

30153269 is an equidigital number, since it uses as much as digits as its factorization.

30153269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 30153269 is about 5491.1992314976. The cubic root of 30153269 is about 311.2515102371.

The spelling of 30153269 in words is "thirty million, one hundred fifty-three thousand, two hundred sixty-nine".