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523201001 = 5373271499
BaseRepresentation
bin11111001011110…
…110100111101001
31100110111100211212
4133023312213221
52032414413001
6123530002505
715652064231
oct3713664751
91313440755
10523201001
11249373724
12127276435
13845194bb
144d6b4cc1
1530dec7bb
hex1f2f69e9

523201001 has 16 divisors (see below), whose sum is σ = 543456000. Its totient is φ = 503418240.

The previous prime is 523200991. The next prime is 523201067. The reversal of 523201001 is 100102325.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-523201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523201501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048250 + ... + 1048748.

It is an arithmetic number, because the mean of its divisors is an integer number (33966000).

Almost surely, 2523201001 is an apocalyptic number.

It is an amenable number.

523201001 is a deficient number, since it is larger than the sum of its proper divisors (20254999).

523201001 is a wasteful number, since it uses less digits than its factorization.

523201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 523201001 is about 22873.5874099364. The cubic root of 523201001 is about 805.7918219934.

Adding to 523201001 its reverse (100102325), we get a palindrome (623303326).

The spelling of 523201001 in words is "five hundred twenty-three million, two hundred one thousand, one".

Divisors: 1 53 73 271 499 3869 14363 19783 26447 36427 135229 1048499 1930631 7167137 9871717 523201001