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671484801 = 31329358763
BaseRepresentation
bin101000000001100…
…000101110000001
31201210111221222110
4220001200232001
52333400003201
6150344125533
722432345431
oct5001405601
91653457873
10671484801
11315043519
12168a668a9
13a91671b0
14652742c1
153de3d6d6
hex28060b81

671484801 has 16 divisors (see below), whose sum is σ = 967490496. Its totient is φ = 411804096.

The previous prime is 671484739. The next prime is 671484809. The reversal of 671484801 is 108484176.

It is a de Polignac number, because none of the positive numbers 2k-671484801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 671484801.

It is not an unprimeable number, because it can be changed into a prime (671484809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17955 + ... + 40808.

It is an arithmetic number, because the mean of its divisors is an integer number (60468156).

Almost surely, 2671484801 is an apocalyptic number.

It is an amenable number.

671484801 is a deficient number, since it is larger than the sum of its proper divisors (296005695).

671484801 is a wasteful number, since it uses less digits than its factorization.

671484801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59072.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 671484801 is about 25913.0237718411. The cubic root of 671484801 is about 875.6799290944.

The spelling of 671484801 in words is "six hundred seventy-one million, four hundred eighty-four thousand, eight hundred one".

Divisors: 1 3 13 39 293 879 3809 11427 58763 176289 763919 2291757 17217559 51652677 223828267 671484801