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1401433 = 11127403
BaseRepresentation
bin101010110001001011001
32122012101221
411112021121
5324321213
650012041
714624545
oct5261131
92565357
101401433
11877a10
12577021
133a0b67
14286a25
151ca38d
hex156259

1401433 has 4 divisors (see below), whose sum is σ = 1528848. Its totient is φ = 1274020.

The previous prime is 1401409. The next prime is 1401437. The reversal of 1401433 is 3341041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3341041 = 11303731.

It is not a de Polignac number, because 1401433 - 25 = 1401401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63691 + ... + 63712.

It is an arithmetic number, because the mean of its divisors is an integer number (382212).

21401433 is an apocalyptic number.

It is an amenable number.

1401433 is a deficient number, since it is larger than the sum of its proper divisors (127415).

1401433 is a wasteful number, since it uses less digits than its factorization.

1401433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127414.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1401433 is about 1183.8213547660. The cubic root of 1401433 is about 111.9070497941.

Adding to 1401433 its reverse (3341041), we get a palindrome (4742474).

The spelling of 1401433 in words is "one million, four hundred one thousand, four hundred thirty-three".

Divisors: 1 11 127403 1401433