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70417 = 671051
BaseRepresentation
bin10001001100010001
310120121001
4101030101
54223132
61302001
7412204
oct211421
9116531
1070417
11489a6
1234901
1326089
141b93b
1515ce7
hex11311

70417 has 4 divisors (see below), whose sum is σ = 71536. Its totient is φ = 69300.

The previous prime is 70393. The next prime is 70423. The reversal of 70417 is 71407.

70417 is nontrivially palindromic in base 4 and base 16.

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.

It is a cyclic number.

It is not a de Polignac number, because 70417 - 27 = 70289 is a prime.

It is a Duffinian number.

70417 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 70394 and 70403.

It is not an unprimeable number, because it can be changed into a prime (70457) 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, 459 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (17884).

270417 is an apocalyptic number.

It is an amenable number.

70417 is a deficient number, since it is larger than the sum of its proper divisors (1119).

70417 is a wasteful number, since it uses less digits than its factorization.

70417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 70417 is about 265.3620168751. The cubic root of 70417 is about 41.2945279799.

Subtracting 70417 from its reverse (71407), we obtain a triangular number (990 = T44).

The spelling of 70417 in words is "seventy thousand, four hundred seventeen", and thus it is an iban number.

Divisors: 1 67 1051 70417