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70419 = 323473
BaseRepresentation
bin10001001100010011
310120121010
4101030103
54223134
61302003
7412206
oct211423
9116533
1070419
11489a8
1234903
132608b
141b93d
1515ce9
hex11313

70419 has 4 divisors (see below), whose sum is σ = 93896. Its totient is φ = 46944.

The previous prime is 70393. The next prime is 70423. The reversal of 70419 is 91407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91407 = 330469.

It is not a de Polignac number, because 70419 - 28 = 70163 is a prime.

It is a super-2 number, since 2×704192 = 9917671122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70395 and 70404.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70419.

It is not an unprimeable number, because it can be changed into a prime (70429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11734 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (23474).

270419 is an apocalyptic number.

70419 is a deficient number, since it is larger than the sum of its proper divisors (23477).

70419 is a wasteful number, since it uses less digits than its factorization.

70419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23476.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 70419 is about 265.3657852851. The cubic root of 70419 is about 41.2949189285.

The spelling of 70419 in words is "seventy thousand, four hundred nineteen".

Divisors: 1 3 23473 70419