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103003540 = 2255150177
BaseRepresentation
bin1100010001110…
…11010110010100
321011211010021221
412020323112110
5202332103130
614115420124
72360341603
oct610732624
9234733257
10103003540
11531630a2
122a5b4644
1318455953
14d973a3a
15909987a
hex623b594

103003540 has 12 divisors (see below), whose sum is σ = 216307476. Its totient is φ = 41201408.

The previous prime is 103003531. The next prime is 103003543. The reversal of 103003540 is 45300301.

It can be written as a sum of positive squares in 2 ways, for example, as 20629764 + 82373776 = 4542^2 + 9076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575069 + ... + 2575108.

It is an arithmetic number, because the mean of its divisors is an integer number (18025623).

Almost surely, 2103003540 is an apocalyptic number.

103003540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103003540 is an abundant number, since it is smaller than the sum of its proper divisors (113303936).

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

103003540 is a wasteful number, since it uses less digits than its factorization.

103003540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150186 (or 5150184 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 103003540 is about 10149.0659668760. The cubic root of 103003540 is about 468.7601849046.

Adding to 103003540 its reverse (45300301), we get a palindrome (148303841).

The spelling of 103003540 in words is "one hundred three million, three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 5150177 10300354 20600708 25750885 51501770 103003540