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1409297 = 10713171
BaseRepresentation
bin101011000000100010001
32122121012012
411120010101
5330044142
650112305
714656511
oct5300421
92577165
101409297
1188290a
1257b695
133a4606
14289841
151cc882
hex158111

1409297 has 4 divisors (see below), whose sum is σ = 1422576. Its totient is φ = 1396020.

The previous prime is 1409263. The next prime is 1409299. The reversal of 1409297 is 7929041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1409297 - 28 = 1409041 is a prime.

It is a super-2 number, since 2×14092972 = 3972236068418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6479 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (355644).

21409297 is an apocalyptic number.

It is an amenable number.

1409297 is a deficient number, since it is larger than the sum of its proper divisors (13279).

1409297 is a wasteful number, since it uses less digits than its factorization.

1409297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1409297 is about 1187.1381553973. The cubic root of 1409297 is about 112.1159778632.

The spelling of 1409297 in words is "one million, four hundred nine thousand, two hundred ninety-seven".

Divisors: 1 107 13171 1409297