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407820601 = 2006320327
BaseRepresentation
bin11000010011101…
…101100100111001
31001102101102200201
4120103231210321
51313400224401
6104245002201
713051263226
oct3023554471
91042342621
10407820601
1119a227721
12b46b3361
136664c186
143c23c94d
1525c0ab01
hex184ed939

407820601 has 4 divisors (see below), whose sum is σ = 407860992. Its totient is φ = 407780212.

The previous prime is 407820577. The next prime is 407820607. The reversal of 407820601 is 106028704.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-407820601 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 407820601.

It is not an unprimeable number, because it can be changed into a prime (407820607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9900 + ... + 30226.

It is an arithmetic number, because the mean of its divisors is an integer number (101965248).

Almost surely, 2407820601 is an apocalyptic number.

It is an amenable number.

407820601 is a deficient number, since it is larger than the sum of its proper divisors (40391).

407820601 is a wasteful number, since it uses less digits than its factorization.

407820601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40390.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 407820601 is about 20194.5686014829. The cubic root of 407820601 is about 741.5772306301.

The spelling of 407820601 in words is "four hundred seven million, eight hundred twenty thousand, six hundred one".

Divisors: 1 20063 20327 407820601