Search a number
-
+
103998419 = 719839421
BaseRepresentation
bin1100011001011…
…10001111010011
321020200200000022
412030232033103
5203110422134
614153014055
72401654250
oct614561723
9236620008
10103998419
1153782608
122a9b432b
1318713735
14db52427
1591e452e
hex632e3d3

103998419 has 16 divisors (see below), whose sum is σ = 126631680. Its totient is φ = 83423520.

The previous prime is 103998413. The next prime is 103998421. The reversal of 103998419 is 914899301.

It is a cyclic number.

It is not a de Polignac number, because 103998419 - 24 = 103998403 is a prime.

It is a super-2 number, since 2×1039984192 = 21631342308999122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 103998419.

It is not an unprimeable number, because it can be changed into a prime (103998413) 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, 6329 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (7914480).

Almost surely, 2103998419 is an apocalyptic number.

103998419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103998419 is a deficient number, since it is larger than the sum of its proper divisors (22633261).

103998419 is an equidigital number, since it uses as much as digits as its factorization.

103998419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 103998419 is about 10197.9615119886. The cubic root of 103998419 is about 470.2645545448.

The spelling of 103998419 in words is "one hundred three million, nine hundred ninety-eight thousand, four hundred nineteen".

Divisors: 1 7 19 83 133 581 1577 9421 11039 65947 178999 781943 1252993 5473601 14856917 103998419