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103144404 = 22311781397
BaseRepresentation
bin1100010010111…
…01101111010100
321012002021112010
412021131233110
5202401110104
614122424220
72361466356
oct611355724
9235067463
10103144404
1153249a10
122a662070
13184a4abc
14d9ad0d6
1590c6489
hex625dbd4

103144404 has 24 divisors (see below), whose sum is σ = 262549728. Its totient is φ = 31255840.

The previous prime is 103144403. The next prime is 103144417. The reversal of 103144404 is 404441301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144403) 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, 390567 + ... + 390830.

It is an arithmetic number, because the mean of its divisors is an integer number (10939572).

Almost surely, 2103144404 is an apocalyptic number.

It is an amenable number.

103144404 is an abundant number, since it is smaller than the sum of its proper divisors (159405324).

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

103144404 is a wasteful number, since it uses less digits than its factorization.

103144404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781415 (or 781413 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 103144404 is about 10156.0033477742. The cubic root of 103144404 is about 468.9737741877.

Adding to 103144404 its reverse (404441301), we get a palindrome (507585705).

The spelling of 103144404 in words is "one hundred three million, one hundred forty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 781397 1562794 2344191 3125588 4688382 8595367 9376764 17190734 25786101 34381468 51572202 103144404