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1471428 = 223275839
BaseRepresentation
bin101100111001111000100
32202202102100
411213033010
5334041203
651312100
715335610
oct5471704
92682370
101471428
11915562
125ab630
133c698a
142a4340
151e0ea3
hex1673c4

1471428 has 36 divisors (see below), whose sum is σ = 4251520. Its totient is φ = 420336.

The previous prime is 1471427. The next prime is 1471433. The reversal of 1471428 is 8241741.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1471423) 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 in 11 ways as a sum of consecutive naturals, for example, 2668 + ... + 3171.

21471428 is an apocalyptic number.

1471428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1471428 is an abundant number, since it is smaller than the sum of its proper divisors (2780092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1471428 is a wasteful number, since it uses less digits than its factorization.

1471428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856 (or 5851 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1471428 is about 1213.0243196243. The cubic root of 1471428 is about 113.7399427569.

The spelling of 1471428 in words is "one million, four hundred seventy-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 5839 11678 17517 23356 35034 40873 52551 70068 81746 105102 122619 163492 210204 245238 367857 490476 735714 1471428