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1472689 is a prime number
BaseRepresentation
bin101100111100010110001
32202211011001
411213202301
5334111224
651322001
715342361
oct5474261
92684131
101472689
119164a9
125b0301
133c741a
142a49a1
151e1544
hex1678b1

1472689 has 2 divisors, whose sum is σ = 1472690. Its totient is φ = 1472688.

The previous prime is 1472687. The next prime is 1472701. The reversal of 1472689 is 9862741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 245025 = 1108^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472689 - 21 = 1472687 is a prime.

Together with 1472687, it forms a pair of twin primes.

It is an Ulam number.

1472689 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1472687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736344 + 736345.

It is an arithmetic number, because the mean of its divisors is an integer number (736345).

21472689 is an apocalyptic number.

It is an amenable number.

1472689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1472689 is an equidigital number, since it uses as much as digits as its factorization.

1472689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 1472689 is about 1213.5439835457. The cubic root of 1472689 is about 113.7724248346.

The spelling of 1472689 in words is "one million, four hundred seventy-two thousand, six hundred eighty-nine".