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670419 = 32163457
BaseRepresentation
bin10100011101011010011
31021001122100
42203223103
5132423134
622211443
75461401
oct2435323
91231570
10670419
11418772
12283b83
131a61c9
14136471
15d3999
hexa3ad3

670419 has 12 divisors (see below), whose sum is σ = 976456. Its totient is φ = 443232.

The previous prime is 670409. The next prime is 670447. The reversal of 670419 is 914076.

It is not a de Polignac number, because 670419 - 213 = 662227 is a prime.

It is a super-2 number, since 2×6704192 = 898923271122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670392 and 670401.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670419.

It is not an unprimeable number, because it can be changed into a prime (670409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1239 + ... + 1695.

2670419 is an apocalyptic number.

670419 is a deficient number, since it is larger than the sum of its proper divisors (306037).

670419 is a wasteful number, since it uses less digits than its factorization.

670419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 670419 is about 818.7911821704. The cubic root of 670419 is about 87.5216381860.

It can be divided in two parts, 670 and 419, that added together give a square (1089 = 332).

The spelling of 670419 in words is "six hundred seventy thousand, four hundred nineteen".

Divisors: 1 3 9 163 457 489 1371 1467 4113 74491 223473 670419