Search a number
-
+
103974912 = 211325641
BaseRepresentation
bin1100011001010…
…00100000000000
321020122110202200
412030220200000
5203104144122
614152313200
72401525566
oct614504000
9236573680
10103974912
1153766988
122a9a2800
1318705b22
14db47a36
1591dc5ac
hex6328800

103974912 has 72 divisors (see below), whose sum is σ = 300351870. Its totient is φ = 34652160.

The previous prime is 103974911. The next prime is 103974971. The reversal of 103974912 is 219479301.

It can be written as a sum of positive squares in only one way, i.e., 57517056 + 46457856 = 7584^2 + 6816^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (103974911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15612 + ... + 21252.

Almost surely, 2103974912 is an apocalyptic number.

103974912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103974912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150175935).

103974912 is an abundant number, since it is smaller than the sum of its proper divisors (196376958).

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

103974912 is an equidigital number, since it uses as much as digits as its factorization.

103974912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669 (or 5646 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 103974912 is about 10196.8089125961. The cubic root of 103974912 is about 470.2291202181.

The spelling of 103974912 in words is "one hundred three million, nine hundred seventy-four thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4608 5641 6144 9216 11282 16923 18432 22564 33846 45128 50769 67692 90256 101538 135384 180512 203076 270768 361024 406152 541536 722048 812304 1083072 1444096 1624608 2166144 2888192 3249216 4332288 5776384 6498432 8664576 11552768 12996864 17329152 25993728 34658304 51987456 103974912