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1472389 is a prime number
BaseRepresentation
bin101100111011110000101
32202210201221
411213132011
5334104024
651320341
715341452
oct5473605
92683657
101472389
11916256
125b00b1
133c7249
142a4829
151e13e4
hex167785

1472389 has 2 divisors, whose sum is σ = 1472390. Its totient is φ = 1472388.

The previous prime is 1472371. The next prime is 1472399. The reversal of 1472389 is 9832741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1399489 + 72900 = 1183^2 + 270^2 .

It is an emirp because it is prime and its reverse (9832741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1472389 is a prime.

It is an alternating number because its digits alternate between odd and even.

1472389 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1472399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736194 + 736195.

It is an arithmetic number, because the mean of its divisors is an integer number (736195).

21472389 is an apocalyptic number.

It is an amenable number.

1472389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1472389 is an equidigital number, since it uses as much as digits as its factorization.

1472389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 1472389 is about 1213.4203723360. The cubic root of 1472389 is about 113.7646988211.

The spelling of 1472389 in words is "one million, four hundred seventy-two thousand, three hundred eighty-nine".