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1407425 = 52192963
BaseRepresentation
bin101010111100111000001
32122111121212
411113213001
5330014200
650055505
714651165
oct5274701
92574555
101407425
11881468
1257a595
133a37c6
14288ca5
151cc035
hex1579c1

1407425 has 12 divisors (see below), whose sum is σ = 1837680. Its totient is φ = 1066320.

The previous prime is 1407409. The next prime is 1407449. The reversal of 1407425 is 5247041.

It is not a de Polignac number, because 1407425 - 24 = 1407409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1407425.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1007 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (153140).

21407425 is an apocalyptic number.

It is an amenable number.

1407425 is a deficient number, since it is larger than the sum of its proper divisors (430255).

1407425 is a wasteful number, since it uses less digits than its factorization.

1407425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1407425 is about 1186.3494426180. The cubic root of 1407425 is about 112.0663138324.

The spelling of 1407425 in words is "one million, four hundred seven thousand, four hundred twenty-five".

Divisors: 1 5 19 25 95 475 2963 14815 56297 74075 281485 1407425