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7070220 = 2233513093
BaseRepresentation
bin11010111110001000001100
3111022012112000
4122332020030
53302221340
6411312300
7114044613
oct32761014
914265460
107070220
113a99a63
12244b690
131607181
14d2087a
15949d30
hex6be20c

7070220 has 48 divisors (see below), whose sum is σ = 21997920. Its totient is φ = 1885248.

The previous prime is 7070213. The next prime is 7070221. The reversal of 7070220 is 220707.

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

It is a junction number, because it is equal to n+sod(n) for n = 7070193 and 7070202.

It is not an unprimeable number, because it can be changed into a prime (7070221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6007 + ... + 7086.

It is an arithmetic number, because the mean of its divisors is an integer number (458290).

Almost surely, 27070220 is an apocalyptic number.

It is an amenable number.

7070220 is an abundant number, since it is smaller than the sum of its proper divisors (14927700).

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

7070220 is a wasteful number, since it uses less digits than its factorization.

7070220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111 (or 13103 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 7070220 is about 2658.9885294976. The cubic root of 7070220 is about 191.9306390085.

Adding to 7070220 its reverse (220707), we get a palindrome (7290927).

The spelling of 7070220 in words is "seven million, seventy thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 13093 26186 39279 52372 65465 78558 117837 130930 157116 196395 235674 261860 353511 392790 471348 589185 707022 785580 1178370 1414044 1767555 2356740 3535110 7070220