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103122440 = 2352578061
BaseRepresentation
bin1100010010110…
…00011000001000
321012001011101122
412021120120020
5202344404230
614122134412
72361345341
oct611303010
9235034348
10103122440
1153234463
122a651408
1318497ac5
14d9a50c8
1590bebe5
hex6258608

103122440 has 16 divisors (see below), whose sum is σ = 232025580. Its totient is φ = 41248960.

The previous prime is 103122407. The next prime is 103122451. The reversal of 103122440 is 44221301.

It can be written as a sum of positive squares in 2 ways, for example, as 102779044 + 343396 = 10138^2 + 586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288991 + ... + 1289070.

Almost surely, 2103122440 is an apocalyptic number.

103122440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103122440 is an abundant number, since it is smaller than the sum of its proper divisors (128903140).

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

103122440 is a wasteful number, since it uses less digits than its factorization.

103122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578072 (or 2578068 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 103122440 is about 10154.9219593259. The cubic root of 103122440 is about 468.9404834134.

Adding to 103122440 its reverse (44221301), we get a palindrome (147343741).

The spelling of 103122440 in words is "one hundred three million, one hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2578061 5156122 10312244 12890305 20624488 25780610 51561220 103122440