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103404018 = 23149911497
BaseRepresentation
bin1100010100111…
…01000111110010
321012120110122110
412022131013302
5202432412033
614132150150
72363630304
oct612350762
9235513573
10103404018
1153406a73
122a768356
1318566013
14da39974
159128363
hex629d1f2

103404018 has 16 divisors (see below), whose sum is σ = 206964000. Its totient is φ = 34442016.

The previous prime is 103404017. The next prime is 103404029. The reversal of 103404018 is 810404301.

It is a junction number, because it is equal to n+sod(n) for n = 103403985 and 103404003.

It is not an unprimeable number, because it can be changed into a prime (103404017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246 + ... + 14742.

It is an arithmetic number, because the mean of its divisors is an integer number (12935250).

Almost surely, 2103404018 is an apocalyptic number.

103404018 is an abundant number, since it is smaller than the sum of its proper divisors (103559982).

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

103404018 is a wasteful number, since it uses less digits than its factorization.

103404018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 103404018 is about 10168.7766225835. The cubic root of 103404018 is about 469.3669128212.

Adding to 103404018 its reverse (810404301), we get a palindrome (913808319).

The spelling of 103404018 in words is "one hundred three million, four hundred four thousand, eighteen".

Divisors: 1 2 3 6 1499 2998 4497 8994 11497 22994 34491 68982 17234003 34468006 51702009 103404018