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70160 = 245877
BaseRepresentation
bin10001001000010000
310120020112
4101020100
54221120
61300452
7411356
oct211020
9116215
1070160
1148792
1234728
1325c1c
141b7d6
1515bc5
hex11210

70160 has 20 divisors (see below), whose sum is σ = 163308. Its totient is φ = 28032.

The previous prime is 70157. The next prime is 70163. The reversal of 70160 is 6107.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70157) and next prime (70163).

It can be written as a sum of positive squares in 2 ways, for example, as 43264 + 26896 = 208^2 + 164^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (70163) 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, 359 + ... + 518.

270160 is an apocalyptic number.

It is an amenable number.

70160 is an abundant number, since it is smaller than the sum of its proper divisors (93148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81654).

70160 is a wasteful number, since it uses less digits than its factorization.

70160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 70160 is about 264.8773300983. The cubic root of 70160 is about 41.2442293734.

Adding to 70160 its reverse (6107), we get a palindrome (76267).

The spelling of 70160 in words is "seventy thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 877 1754 3508 4385 7016 8770 14032 17540 35080 70160