Search a number
-
+
30422437 is a prime number
BaseRepresentation
bin111010000001…
…1010110100101
32010020121201221
41310003112211
530242004222
63004020341
7516405103
oct164032645
963217657
1030422437
1116199911
12a2316b1
1363c2356
14407cc73
152a0e0c7
hex1d035a5

30422437 has 2 divisors, whose sum is σ = 30422438. Its totient is φ = 30422436.

The previous prime is 30422429. The next prime is 30422443. The reversal of 30422437 is 73422403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29062881 + 1359556 = 5391^2 + 1166^2 .

It is a cyclic number.

It is not a de Polignac number, because 30422437 - 23 = 30422429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30422407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211218 + 15211219.

It is an arithmetic number, because the mean of its divisors is an integer number (15211219).

Almost surely, 230422437 is an apocalyptic number.

It is an amenable number.

30422437 is a deficient number, since it is larger than the sum of its proper divisors (1).

30422437 is an equidigital number, since it uses as much as digits as its factorization.

30422437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 30422437 is about 5515.6538143723. The cubic root of 30422437 is about 312.1749135641.

The spelling of 30422437 in words is "thirty million, four hundred twenty-two thousand, four hundred thirty-seven".