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1392233 is a prime number
BaseRepresentation
bin101010011111001101001
32121201210012
411103321221
5324022413
645501305
714555663
oct5237151
92551705
101392233
11871007
12571835
1339990b
14283533
151c77a8
hex153e69

1392233 has 2 divisors, whose sum is σ = 1392234. Its totient is φ = 1392232.

The previous prime is 1392229. The next prime is 1392253. The reversal of 1392233 is 3322931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1149184 + 243049 = 1072^2 + 493^2 .

It is an emirp because it is prime and its reverse (3322931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1392233 - 22 = 1392229 is a prime.

It is equal to p106538 and since 1392233 and 106538 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1392199 and 1392208.

It is not a weakly prime, because it can be changed into another prime (1392253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696116 + 696117.

It is an arithmetic number, because the mean of its divisors is an integer number (696117).

21392233 is an apocalyptic number.

It is an amenable number.

1392233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392233 is an equidigital number, since it uses as much as digits as its factorization.

1392233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

The square root of 1392233 is about 1179.9292351662. The cubic root of 1392233 is about 111.6616329010.

The spelling of 1392233 in words is "one million, three hundred ninety-two thousand, two hundred thirty-three".