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103342440 = 23351276781
BaseRepresentation
bin1100010100011…
…10000101101000
321012110100011210
412022032011220
5202423424230
614130553120
72363252625
oct612160550
9235410153
10103342440
1153374783
122a7387a0
1318543c96
14da2134c
159114eb0
hex628e168

103342440 has 64 divisors (see below), whose sum is σ = 312514560. Its totient is φ = 27336960.

The previous prime is 103342423. The next prime is 103342441. The reversal of 103342440 is 44243301.

It is not an unprimeable number, because it can be changed into a prime (103342441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11850 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (4883040).

Almost surely, 2103342440 is an apocalyptic number.

103342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103342440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156257280).

103342440 is an abundant number, since it is smaller than the sum of its proper divisors (209172120).

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

103342440 is a wasteful number, since it uses less digits than its factorization.

103342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922 (or 6918 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 103342440 is about 10165.7483738287. The cubic root of 103342440 is about 469.2737236155.

Adding to 103342440 its reverse (44243301), we get a palindrome (147585741).

The spelling of 103342440 in words is "one hundred three million, three hundred forty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 127 254 381 508 635 762 1016 1270 1524 1905 2540 3048 3810 5080 6781 7620 13562 15240 20343 27124 33905 40686 54248 67810 81372 101715 135620 162744 203430 271240 406860 813720 861187 1722374 2583561 3444748 4305935 5167122 6889496 8611870 10334244 12917805 17223740 20668488 25835610 34447480 51671220 103342440