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1070220 = 223517837
BaseRepresentation
bin100000101010010001100
32000101001210
410011102030
5233221340
634534420
712045114
oct4052214
92011053
101070220
11671088
12437410
132b6188
141dc044
15162180
hex10548c

1070220 has 24 divisors (see below), whose sum is σ = 2996784. Its totient is φ = 285376.

The previous prime is 1070207. The next prime is 1070221. The reversal of 1070220 is 220701.

It is a super-2 number, since 2×10702202 = 2290741696800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1070196 and 1070205.

It is not an unprimeable number, because it can be changed into a prime (1070221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8859 + ... + 8978.

It is an arithmetic number, because the mean of its divisors is an integer number (124866).

21070220 is an apocalyptic number.

1070220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1070220 is an abundant number, since it is smaller than the sum of its proper divisors (1926564).

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

1070220 is a wasteful number, since it uses less digits than its factorization.

1070220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17849 (or 17847 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 1070220 is about 1034.5143788271. The cubic root of 1070220 is about 102.2879216033.

Adding to 1070220 its reverse (220701), we get a palindrome (1290921).

The spelling of 1070220 in words is "one million, seventy thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 17837 35674 53511 71348 89185 107022 178370 214044 267555 356740 535110 1070220