Search a number
-
+
228150437 is a prime number
BaseRepresentation
bin11011001100101…
…00110010100101
3120220022020120012
431212110302211
5431401303222
634350020005
75440150424
oct1546246245
9526266505
10228150437
1110786a889
12644a7605
1338362478
142242d2bb
151506a1e2
hexd994ca5

228150437 has 2 divisors, whose sum is σ = 228150438. Its totient is φ = 228150436.

The previous prime is 228150397. The next prime is 228150443. The reversal of 228150437 is 734051822.

228150437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209496676 + 18653761 = 14474^2 + 4319^2 .

It is a cyclic number.

It is not a de Polignac number, because 228150437 - 222 = 223956133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228150457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114075218 + 114075219.

It is an arithmetic number, because the mean of its divisors is an integer number (114075219).

Almost surely, 2228150437 is an apocalyptic number.

It is an amenable number.

228150437 is a deficient number, since it is larger than the sum of its proper divisors (1).

228150437 is an equidigital number, since it uses as much as digits as its factorization.

228150437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 228150437 is about 15104.6495159603. The cubic root of 228150437 is about 611.0458070077.

The spelling of 228150437 in words is "two hundred twenty-eight million, one hundred fifty thousand, four hundred thirty-seven".