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BaseRepresentation
bin10001001011001001
310120111101
4101023021
54222340
61301401
7412042
oct211311
9116441
1070345
1148940
1234861
1326032
141b8c9
1515c9a
hex112c9

70345 has 8 divisors (see below), whose sum is σ = 92160. Its totient is φ = 51120.

The previous prime is 70327. The next prime is 70351. The reversal of 70345 is 54307.

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

It is not a de Polignac number, because 70345 - 25 = 70313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 585 + ... + 694.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

270345 is an apocalyptic number.

It is an amenable number.

70345 is a deficient number, since it is larger than the sum of its proper divisors (21815).

70345 is a wasteful number, since it uses less digits than its factorization.

70345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 70345 is about 265.2263184528. The cubic root of 70345 is about 41.2804488989.

The spelling of 70345 in words is "seventy thousand, three hundred forty-five".

Divisors: 1 5 11 55 1279 6395 14069 70345