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531552801 = 31313629559
BaseRepresentation
bin11111101011101…
…101101000100001
31101001012200100210
4133223231220201
52042034142201
6124425004333
716113060423
oct3753555041
91331180323
10531552801
1125305853a
1212a0236a9
1386181ab0
145084a813
15319ec1d6
hex1faeda21

531552801 has 8 divisors (see below), whose sum is σ = 763255360. Its totient is φ = 327109392.

The previous prime is 531552773. The next prime is 531552829. The reversal of 531552801 is 108255135.

It is an interprime number because it is at equal distance from previous prime (531552773) and next prime (531552829).

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

It is not a de Polignac number, because 531552801 - 221 = 529455649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531552401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6814741 + ... + 6814818.

It is an arithmetic number, because the mean of its divisors is an integer number (95406920).

Almost surely, 2531552801 is an apocalyptic number.

It is an amenable number.

531552801 is a deficient number, since it is larger than the sum of its proper divisors (231702559).

531552801 is a wasteful number, since it uses less digits than its factorization.

531552801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13629575.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 531552801 is about 23055.4288834539. The cubic root of 531552801 is about 810.0567968099.

The spelling of 531552801 in words is "five hundred thirty-one million, five hundred fifty-two thousand, eight hundred one".

Divisors: 1 3 13 39 13629559 40888677 177184267 531552801