Search a number
-
+
3070820 = 225532897
BaseRepresentation
bin1011101101101101100100
312210000101002
423231231210
51241231240
6145452432
735046554
oct13555544
95700332
103070820
111808175
121041118
1383696c
1459d164
15409d15
hex2edb64

3070820 has 24 divisors (see below), whose sum is σ = 6572664. Its totient is φ = 1204736.

The previous prime is 3070817. The next prime is 3070831. The reversal of 3070820 is 280703.

It can be written as a sum of positive squares in 4 ways, for example, as 139876 + 2930944 = 374^2 + 1712^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3070792 and 3070801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (273861).

Almost surely, 23070820 is an apocalyptic number.

It is an amenable number.

3070820 is an abundant number, since it is smaller than the sum of its proper divisors (3501844).

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

3070820 is a wasteful number, since it uses less digits than its factorization.

3070820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 3070820 is about 1752.3755305299. The cubic root of 3070820 is about 145.3510321757.

The spelling of 3070820 in words is "three million, seventy thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 2897 5794 11588 14485 28970 57940 153541 307082 614164 767705 1535410 3070820