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103210220 = 2255160511
BaseRepresentation
bin1100010011011…
…01110011101100
321012012121210202
412021231303230
5202410211340
614124053032
72362162301
oct611556354
9235177722
10103210220
1153294403
122a694178
13184c8a49
14d9c90a8
1590dac15
hex626dcec

103210220 has 12 divisors (see below), whose sum is σ = 216741504. Its totient is φ = 41284080.

The previous prime is 103210201. The next prime is 103210229. The reversal of 103210220 is 22012301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (103210229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580236 + ... + 2580275.

It is an arithmetic number, because the mean of its divisors is an integer number (18061792).

Almost surely, 2103210220 is an apocalyptic number.

103210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103210220 is an abundant number, since it is smaller than the sum of its proper divisors (113531284).

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

103210220 is a wasteful number, since it uses less digits than its factorization.

103210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160520 (or 5160518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 103210220 is about 10159.2430820411. The cubic root of 103210220 is about 469.0735030271.

Adding to 103210220 its reverse (22012301), we get a palindrome (125222521).

The spelling of 103210220 in words is "one hundred three million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5160511 10321022 20642044 25802555 51605110 103210220