100403530 has 16 divisors (see below), whose sum is σ = 191357640. Its totient is φ = 37798912.

The previous prime is 100403519. The next prime is 100403561. The reversal of 100403530 is 35304001.

It can be written as a sum of positive squares in 4 ways, for example, as 87665769 + 12737761 = 9363^2 + 3569^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 295135 + ... + 295474.

Almost surely, 2^100403530 is an apocalyptic number.

100403530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100403530 is a deficient number, since it is larger than the sum of its proper divisors (90954110).

100403530 is a wasteful number, since it uses less digits than its factorization.

100403530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590633.

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

The square root of 100403530 is about 10020.1561864075. The cubic root of 100403530 is about 464.7823855530.

Adding to 100403530 its reverse (35304001), we get a palindrome (135707531).

The spelling of 100403530 in words is "one hundred million, four hundred three thousand, five hundred thirty".