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30044137 is a prime number
BaseRepresentation
bin111001010011…
…0111111101001
32002112101210211
41302212333221
530142403022
62551541121
7513241144
oct162467751
962471724
1030044137
1115a60672
12a08a7a1
1362bc0c6
143dc105b
152986e77
hex1ca6fe9

30044137 has 2 divisors, whose sum is σ = 30044138. Its totient is φ = 30044136.

The previous prime is 30044093. The next prime is 30044153. The reversal of 30044137 is 73144003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 1142761 = 5376^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 30044137 - 215 = 30011369 is a prime.

It is not a weakly prime, because it can be changed into another prime (30044837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022068 + 15022069.

It is an arithmetic number, because the mean of its divisors is an integer number (15022069).

Almost surely, 230044137 is an apocalyptic number.

It is an amenable number.

30044137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30044137 is an equidigital number, since it uses as much as digits as its factorization.

30044137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30044137 is about 5481.2532326102. The cubic root of 30044137 is about 310.8755580611.

The spelling of 30044137 in words is "thirty million, forty-four thousand, one hundred thirty-seven".