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70056 = 23327139
BaseRepresentation
bin10001000110101000
310120002200
4101012220
54220211
61300200
7411150
oct210650
9116080
1070056
11486a8
1234660
1325b6c
141b760
1515b56
hex111a8

70056 has 48 divisors (see below), whose sum is σ = 218400. Its totient is φ = 19872.

The previous prime is 70051. The next prime is 70061. The reversal of 70056 is 65007.

It is an interprime number because it is at equal distance from previous prime (70051) and next prime (70061).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (70051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435 + ... + 573.

It is an arithmetic number, because the mean of its divisors is an integer number (4550).

270056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109200).

70056 is an abundant number, since it is smaller than the sum of its proper divisors (148344).

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

70056 is a wasteful number, since it uses less digits than its factorization.

70056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 70056 is about 264.6809400014. The cubic root of 70056 is about 41.2238401628.

The spelling of 70056 in words is "seventy thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 139 168 252 278 417 504 556 834 973 1112 1251 1668 1946 2502 2919 3336 3892 5004 5838 7784 8757 10008 11676 17514 23352 35028 70056