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2070 = 232523
BaseRepresentation
bin100000010110
32211200
4200112
531240
613330
76015
oct4026
92750
102070
111612
121246
13c33
14a7c
15930
hex816

2070 has 24 divisors (see below), whose sum is σ = 5616. Its totient is φ = 528.

The previous prime is 2069. The next prime is 2081. The reversal of 2070 is 702.

Adding to 2070 its reverse (702), we get a palindrome (2772).

2070 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

2070 is strictly pandigital in base 5.

It is a plaindrome in base 12.

It is a nialpdrome in base 13 and base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79 + ... + 101.

It is an arithmetic number, because the mean of its divisors is an integer number (234).

22070 is an apocalyptic number.

It is a pronic number, being equal to 45×46.

It is a practical number, because each smaller number is the sum of distinct divisors of 2070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808).

2070 is an abundant number, since it is smaller than the sum of its proper divisors (3546).

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

2070 is a wasteful number, since it uses less digits than its factorization.

2070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 9.

The square root of 2070 is about 45.4972526643. The cubic root of 2070 is about 12.7445189821.

The spelling of 2070 in words is "two thousand, seventy", and thus it is an iban number.

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070