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103440484 = 227191271531
BaseRepresentation
bin1100010101001…
…10000001100100
321012122022200001
412022212001210
5202440043414
614133031044
72364141520
oct612460144
9235568601
10103440484
1153431404
122a785484
13185797b4
14da48d80
159134074
hex62a6064

103440484 has 48 divisors (see below), whose sum is σ = 219627520. Its totient is φ = 41640480.

The previous prime is 103440481. The next prime is 103440527. The reversal of 103440484 is 484044301.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (103440481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66799 + ... + 68329.

Almost surely, 2103440484 is an apocalyptic number.

103440484 is a gapful number since it is divisible by the number (14) 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 103440484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109813760).

103440484 is an abundant number, since it is smaller than the sum of its proper divisors (116187036).

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

103440484 is a wasteful number, since it uses less digits than its factorization.

103440484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 103440484 is about 10170.5695022452. The cubic root of 103440484 is about 469.4220812842.

Adding to 103440484 its reverse (484044301), we get a palindrome (587484785).

The spelling of 103440484 in words is "one hundred three million, four hundred forty thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 19 28 38 76 127 133 254 266 508 532 889 1531 1778 2413 3062 3556 4826 6124 9652 10717 16891 21434 29089 33782 42868 58178 67564 116356 194437 203623 388874 407246 777748 814492 1361059 2722118 3694303 5444236 7388606 14777212 25860121 51720242 103440484