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103243220 = 22523921599
BaseRepresentation
bin1100010011101…
…01110111010100
321012021022001222
412021311313110
5202412240340
614124505512
72362360433
oct611656724
9235238058
10103243220
1153307183
122a6ab298
131850aa82
14d9d711a
1590e58b5
hex6275dd4

103243220 has 24 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 41122592.

The previous prime is 103243201. The next prime is 103243229. The reversal of 103243220 is 22342301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103243229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6020 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (9072000).

Almost surely, 2103243220 is an apocalyptic number.

103243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103243220 is an abundant number, since it is smaller than the sum of its proper divisors (114484780).

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

103243220 is a wasteful number, since it uses less digits than its factorization.

103243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21847 (or 21845 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 103243220 is about 10160.8670889841. The cubic root of 103243220 is about 469.1234908936.

Adding to 103243220 its reverse (22342301), we get a palindrome (125585521).

The spelling of 103243220 in words is "one hundred three million, two hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4780 21599 43198 86396 107995 215990 431980 5162161 10324322 20648644 25810805 51621610 103243220