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30440341 is a prime number
BaseRepresentation
bin111010000011…
…1101110010101
32010021112022001
41310013232111
530243042331
63004235301
7516511231
oct164075625
963245261
1030440341
1116201308
12a23bb31
1363ca549
1440855c1
152a14561
hex1d07b95

30440341 has 2 divisors, whose sum is σ = 30440342. Its totient is φ = 30440340.

The previous prime is 30440297. The next prime is 30440351. The reversal of 30440341 is 14304403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27783441 + 2656900 = 5271^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 30440341 - 27 = 30440213 is a prime.

It is a super-2 number, since 2×304403412 = 1853228720392562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30440351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15220170 + 15220171.

It is an arithmetic number, because the mean of its divisors is an integer number (15220171).

Almost surely, 230440341 is an apocalyptic number.

It is an amenable number.

30440341 is a deficient number, since it is larger than the sum of its proper divisors (1).

30440341 is an equidigital number, since it uses as much as digits as its factorization.

30440341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30440341 is about 5517.2765926678. The cubic root of 30440341 is about 312.2361412207.

Adding to 30440341 its reverse (14304403), we get a palindrome (44744744).

The spelling of 30440341 in words is "thirty million, four hundred forty thousand, three hundred forty-one".