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103120220 = 22571938767
BaseRepresentation
bin1100010010101…
…11110101011100
321012001001100102
412021113311130
5202344321340
614122120232
72361336020
oct611276534
9235031312
10103120220
1153232825
122a650078
1318496aa8
14d9a4380
1590be215
hex6257d5c

103120220 has 48 divisors (see below), whose sum is σ = 260520960. Its totient is φ = 33493824.

The previous prime is 103120219. The next prime is 103120223. The reversal of 103120220 is 22021301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16724 + ... + 22043.

It is an arithmetic number, because the mean of its divisors is an integer number (5427520).

Almost surely, 2103120220 is an apocalyptic number.

103120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103120220 is an abundant number, since it is smaller than the sum of its proper divisors (157400740).

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

103120220 is a wasteful number, since it uses less digits than its factorization.

103120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38802 (or 38800 counting only the distinct ones).

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

The square root of 103120220 is about 10154.8126521369. The cubic root of 103120220 is about 468.9371183025.

Adding to 103120220 its reverse (22021301), we get a palindrome (125141521).

The spelling of 103120220 in words is "one hundred three million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 38767 77534 155068 193835 271369 387670 542738 736573 775340 1085476 1356845 1473146 2713690 2946292 3682865 5156011 5427380 7365730 10312022 14731460 20624044 25780055 51560110 103120220