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103140220 = 2259675333
BaseRepresentation
bin1100010010111…
…00101101111100
321012002001210011
412021130231330
5202400441340
614122353004
72361451231
oct611345574
9235061704
10103140220
1153246857
122a65b764
13184a2c21
14d9ab788
1590c50ea
hex625cb7c

103140220 has 24 divisors (see below), whose sum is σ = 216859104. Its totient is φ = 41205696.

The previous prime is 103140181. The next prime is 103140221. The reversal of 103140220 is 22041301.

It is a self number, because there is not a number n which added to its sum of digits gives 103140220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140221) 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, 16674 + ... + 22006.

It is an arithmetic number, because the mean of its divisors is an integer number (9035796).

Almost surely, 2103140220 is an apocalyptic number.

103140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103140220 is an abundant number, since it is smaller than the sum of its proper divisors (113718884).

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

103140220 is a wasteful number, since it uses less digits than its factorization.

103140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309 (or 6307 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 103140220 is about 10155.7973591442. The cubic root of 103140220 is about 468.9674328748.

Adding to 103140220 its reverse (22041301), we get a palindrome (125181521).

The spelling of 103140220 in words is "one hundred three million, one hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 967 1934 3868 4835 5333 9670 10666 19340 21332 26665 53330 106660 5157011 10314022 20628044 25785055 51570110 103140220