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1408149 = 32971613
BaseRepresentation
bin101010111110010010101
32122112121200
411113302111
5330030044
650103113
714653251
oct5276225
92575550
101408149
11881a66
1257aa99
133a3c32
14289261
151cc369
hex157c95

1408149 has 12 divisors (see below), whose sum is σ = 2056236. Its totient is φ = 928512.

The previous prime is 1408123. The next prime is 1408151. The reversal of 1408149 is 9418041.

It can be written as a sum of positive squares in 2 ways, for example, as 756900 + 651249 = 870^2 + 807^2 .

It is not a de Polignac number, because 1408149 - 27 = 1408021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (171353).

21408149 is an apocalyptic number.

It is an amenable number.

1408149 is a deficient number, since it is larger than the sum of its proper divisors (648087).

1408149 is a wasteful number, since it uses less digits than its factorization.

1408149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1408149 is about 1186.6545411366. The cubic root of 1408149 is about 112.0855267218.

The spelling of 1408149 in words is "one million, four hundred eight thousand, one hundred forty-nine".

Divisors: 1 3 9 97 291 873 1613 4839 14517 156461 469383 1408149