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30841253 is a prime number
BaseRepresentation
bin111010110100…
…1100110100101
32011000220020122
41311221212211
530343410003
63021011325
7523101122
oct165514645
964026218
1030841253
1116455543
12a3b3b45
13650ab81
14414b749
152a93238
hex1d699a5

30841253 has 2 divisors, whose sum is σ = 30841254. Its totient is φ = 30841252.

The previous prime is 30841241. The next prime is 30841267. The reversal of 30841253 is 35214803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22448644 + 8392609 = 4738^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 30841253 - 26 = 30841189 is a prime.

It is a super-2 number, since 2×308412532 = 1902365773220018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30841453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15420626 + 15420627.

It is an arithmetic number, because the mean of its divisors is an integer number (15420627).

Almost surely, 230841253 is an apocalyptic number.

It is an amenable number.

30841253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30841253 is an equidigital number, since it uses as much as digits as its factorization.

30841253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 30841253 is about 5553.4901638519. The cubic root of 30841253 is about 313.6009271554.

The spelling of 30841253 in words is "thirty million, eight hundred forty-one thousand, two hundred fifty-three".