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103916445 = 3521132833
BaseRepresentation
bin1100011000110…
…10001110011101
321020112111120020
412030122032131
5203100311240
614151142353
72401163253
oct614321635
9236474506
10103916445
1153726a66
122a9749b9
13186b5329
14db305d3
1591ca0d0
hex631a39d

103916445 has 16 divisors (see below), whose sum is σ = 167059392. Its totient is φ = 55157760.

The previous prime is 103916441. The next prime is 103916447. The reversal of 103916445 is 544619301.

It is not a de Polignac number, because 103916445 - 22 = 103916441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103916441) 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, 13252 + ... + 19581.

It is an arithmetic number, because the mean of its divisors is an integer number (10441212).

Almost surely, 2103916445 is an apocalyptic number.

103916445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103916445 is a deficient number, since it is larger than the sum of its proper divisors (63142947).

103916445 is a wasteful number, since it uses less digits than its factorization.

103916445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33052.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 103916445 is about 10193.9415831169. The cubic root of 103916445 is about 470.1409642059.

It can be divided in two parts, 10391 and 6445, that added together give a triangular number (16836 = T183).

The spelling of 103916445 in words is "one hundred three million, nine hundred sixteen thousand, four hundred forty-five".

Divisors: 1 3 5 15 211 633 1055 3165 32833 98499 164165 492495 6927763 20783289 34638815 103916445