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1409485 = 57211523
BaseRepresentation
bin101011000000111001101
32122121110011
411120013031
5330100420
650113221
714660200
oct5300715
92577404
101409485
11882a70
1257b811
133a471c
14289937
151cc95a
hex1581cd

1409485 has 24 divisors (see below), whose sum is σ = 2150496. Its totient is φ = 876960.

The previous prime is 1409467. The next prime is 1409489. The reversal of 1409485 is 5849041.

It is a happy number.

It is not a de Polignac number, because 1409485 - 27 = 1409357 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2434 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (89604).

21409485 is an apocalyptic number.

It is an amenable number.

1409485 is a deficient number, since it is larger than the sum of its proper divisors (741011).

1409485 is a wasteful number, since it uses less digits than its factorization.

1409485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1409485 is about 1187.2173347791. The cubic root of 1409485 is about 112.1209630596.

The spelling of 1409485 in words is "one million, four hundred nine thousand, four hundred eighty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 523 539 2615 2695 3661 5753 18305 25627 28765 40271 128135 201355 281897 1409485