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1472421 = 31728871
BaseRepresentation
bin101100111011110100101
32202210210010
411213132211
5334104141
651320433
715341526
oct5473645
92683703
101472421
11916285
125b0119
133c7272
142a484d
151e1416
hex1677a5

1472421 has 8 divisors (see below), whose sum is σ = 2078784. Its totient is φ = 923840.

The previous prime is 1472413. The next prime is 1472423. The reversal of 1472421 is 1242741.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1472421 - 23 = 1472413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14385 + ... + 14486.

It is an arithmetic number, because the mean of its divisors is an integer number (259848).

21472421 is an apocalyptic number.

It is an amenable number.

1472421 is a deficient number, since it is larger than the sum of its proper divisors (606363).

1472421 is a wasteful number, since it uses less digits than its factorization.

1472421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28891.

The product of its digits is 448, while the sum is 21.

The square root of 1472421 is about 1213.4335581316. The cubic root of 1472421 is about 113.7655229792.

The spelling of 1472421 in words is "one million, four hundred seventy-two thousand, four hundred twenty-one".

Divisors: 1 3 17 51 28871 86613 490807 1472421