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103446020 = 22517304253
BaseRepresentation
bin1100010101001…
…11011000000100
321012122121021002
412022213120010
5202440233040
614133112432
72364163616
oct612473004
9235577232
10103446020
1153435587
122a788718
131857c182
14da4adb6
159135a15
hex62a7604

103446020 has 24 divisors (see below), whose sum is σ = 230016024. Its totient is φ = 38944256.

The previous prime is 103446017. The next prime is 103446041. The reversal of 103446020 is 20644301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33154564 + 70291456 = 5758^2 + 8384^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103445983 and 103446001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151787 + ... + 152466.

It is an arithmetic number, because the mean of its divisors is an integer number (9584001).

Almost surely, 2103446020 is an apocalyptic number.

103446020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103446020 is an abundant number, since it is smaller than the sum of its proper divisors (126570004).

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

103446020 is a wasteful number, since it uses less digits than its factorization.

103446020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304279 (or 304277 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103446020 is about 10170.8416564216. The cubic root of 103446020 is about 469.4304554210.

The spelling of 103446020 in words is "one hundred three million, four hundred forty-six thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 304253 608506 1217012 1521265 3042530 5172301 6085060 10344602 20689204 25861505 51723010 103446020