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30144407 is a prime number
BaseRepresentation
bin111001011111…
…1011110010111
32002201111100112
41302333132113
530204110112
62554033235
7514136366
oct162773627
962644315
1030144407
1116019a37
12a11881b
136325937
1440097dd
1529a6a22
hex1cbf797

30144407 has 2 divisors, whose sum is σ = 30144408. Its totient is φ = 30144406.

The previous prime is 30144403. The next prime is 30144449. The reversal of 30144407 is 70444103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30144407 - 22 = 30144403 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30144403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15072203 + 15072204.

It is an arithmetic number, because the mean of its divisors is an integer number (15072204).

Almost surely, 230144407 is an apocalyptic number.

30144407 is a deficient number, since it is larger than the sum of its proper divisors (1).

30144407 is an equidigital number, since it uses as much as digits as its factorization.

30144407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 30144407 is about 5490.3922446397. The cubic root of 30144407 is about 311.2210151339.

The spelling of 30144407 in words is "thirty million, one hundred forty-four thousand, four hundred seven".