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401232013 = 7134409143
BaseRepresentation
bin10111111010100…
…101000010001101
31000221222200211221
4113322211002031
51310203411023
6103451443341
712641262430
oct2772450215
91027880757
10401232013
11196537606
12b2456551
13651832c0
143b405817
152535885d
hex17ea508d

401232013 has 8 divisors (see below), whose sum is σ = 493824128. Its totient is φ = 317458224.

The previous prime is 401231951. The next prime is 401232059. The reversal of 401232013 is 310232104.

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 401232013 - 213 = 401223821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401230013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2204481 + ... + 2204662.

It is an arithmetic number, because the mean of its divisors is an integer number (61728016).

Almost surely, 2401232013 is an apocalyptic number.

It is an amenable number.

401232013 is a deficient number, since it is larger than the sum of its proper divisors (92592115).

401232013 is a wasteful number, since it uses less digits than its factorization.

401232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409163.

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

The square root of 401232013 is about 20030.7766449531. The cubic root of 401232013 is about 737.5619868611.

Adding to 401232013 its reverse (310232104), we get a palindrome (711464117).

Subtracting from 401232013 its reverse (310232104), we obtain a palindrome (90999909).

The spelling of 401232013 in words is "four hundred one million, two hundred thirty-two thousand, thirteen".

Divisors: 1 7 13 91 4409143 30864001 57318859 401232013