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1490213 is a prime number
BaseRepresentation
bin101101011110100100101
32210201012002
411223310211
5340141323
651535045
715444434
oct5536445
92721162
101490213
1192868a
125ba485
134023aa
142ab11b
151e6828
hex16bd25

1490213 has 2 divisors, whose sum is σ = 1490214. Its totient is φ = 1490212.

The previous prime is 1490207. The next prime is 1490233. The reversal of 1490213 is 3120941.

It is an a-pointer prime, because the next prime (1490233) can be obtained adding 1490213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 494209 = 998^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490213 - 212 = 1486117 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p113474 and since 1490213 and 113474 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1490233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745106 + 745107.

It is an arithmetic number, because the mean of its divisors is an integer number (745107).

21490213 is an apocalyptic number.

It is an amenable number.

1490213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490213 is an equidigital number, since it uses as much as digits as its factorization.

1490213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1490213 is about 1220.7428066550. The cubic root of 1490213 is about 114.2219181893.

The spelling of 1490213 in words is "one million, four hundred ninety thousand, two hundred thirteen".