Search a number
-
+
70565 = 5111283
BaseRepresentation
bin10001001110100101
310120210112
4101032211
54224230
61302405
7412505
oct211645
9116715
1070565
1149020
1234a05
1326171
141ba05
1515d95
hex113a5

70565 has 8 divisors (see below), whose sum is σ = 92448. Its totient is φ = 51280.

The previous prime is 70549. The next prime is 70571. The reversal of 70565 is 56507.

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

It is not a de Polignac number, because 70565 - 24 = 70549 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (11556).

270565 is an apocalyptic number.

It is an amenable number.

70565 is a deficient number, since it is larger than the sum of its proper divisors (21883).

70565 is a wasteful number, since it uses less digits than its factorization.

70565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 70565 is about 265.6407348281. The cubic root of 70565 is about 41.3234382025.

The spelling of 70565 in words is "seventy thousand, five hundred sixty-five".

Divisors: 1 5 11 55 1283 6415 14113 70565