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103103240 = 2359726573
BaseRepresentation
bin1100010010100…
…11101100001000
321012000012001112
412021103230020
5202343300430
614121505452
72361235352
oct611235410
9235005045
10103103240
1153220a99
122a642288
131848c146
14d99c0d2
1590b9195
hex6253b08

103103240 has 32 divisors (see below), whose sum is σ = 234382680. Its totient is φ = 40814592.

The previous prime is 103103219. The next prime is 103103261. The reversal of 103103240 is 42301301.

It is an interprime number because it is at equal distance from previous prime (103103219) and next prime (103103261).

It can be written as a sum of positive squares in 4 ways, for example, as 101888836 + 1214404 = 10094^2 + 1102^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9407 + ... + 17166.

Almost surely, 2103103240 is an apocalyptic number.

103103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103103240 is an abundant number, since it is smaller than the sum of its proper divisors (131279440).

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

103103240 is a wasteful number, since it uses less digits than its factorization.

103103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26681 (or 26677 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103103240 is about 10153.9765609341. The cubic root of 103103240 is about 468.9113781539.

Adding to 103103240 its reverse (42301301), we get a palindrome (145404541).

The spelling of 103103240 in words is "one hundred three million, one hundred three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 26573 53146 106292 132865 212584 265730 531460 1062920 2577581 5155162 10310324 12887905 20620648 25775810 51551620 103103240