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680419 = 3147467
BaseRepresentation
bin10100110000111100011
31021120100201
42212013203
5133233134
622330031
75532505
oct2460743
91246321
10680419
11425233
12289917
131aa91c
14139d75
15d6914
hexa61e3

680419 has 8 divisors (see below), whose sum is σ = 718848. Its totient is φ = 643080.

The previous prime is 680417. The next prime is 680431. The reversal of 680419 is 914086.

680419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 680419 - 21 = 680417 is a prime.

It is a super-2 number, since 2×6804192 = 925940031122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (89856).

2680419 is an apocalyptic number.

680419 is a deficient number, since it is larger than the sum of its proper divisors (38429).

680419 is a wasteful number, since it uses less digits than its factorization.

680419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 680419 is about 824.8751420670. The cubic root of 680419 is about 87.9546512213.

The spelling of 680419 in words is "six hundred eighty thousand, four hundred nineteen".

Divisors: 1 31 47 467 1457 14477 21949 680419