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536531401 = 776647343
BaseRepresentation
bin11111111110101…
…101000111001001
31101101120121201101
4133332231013021
52044323001101
6125123421401
716203304330
oct3776550711
91341517641
10536531401
11255948a8a
1212b824861
1387205c03
1451384d17
1532182401
hex1ffad1c9

536531401 has 4 divisors (see below), whose sum is σ = 613178752. Its totient is φ = 459884052.

The previous prime is 536531399. The next prime is 536531431. The reversal of 536531401 is 104135635.

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.

It is a cyclic number.

It is not a de Polignac number, because 536531401 - 21 = 536531399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 536531401.

It is not an unprimeable number, because it can be changed into a prime (536531431) 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 3 ways as a sum of consecutive naturals, for example, 38323665 + ... + 38323678.

It is an arithmetic number, because the mean of its divisors is an integer number (153294688).

Almost surely, 2536531401 is an apocalyptic number.

It is an amenable number.

536531401 is a deficient number, since it is larger than the sum of its proper divisors (76647351).

536531401 is an equidigital number, since it uses as much as digits as its factorization.

536531401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76647350.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 536531401 is about 23163.1474761095. The cubic root of 536531401 is about 812.5779780308.

The spelling of 536531401 in words is "five hundred thirty-six million, five hundred thirty-one thousand, four hundred one".

Divisors: 1 7 76647343 536531401