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1030440030 = 235213716073
BaseRepresentation
bin111101011010110…
…100010001011110
32122210221202222120
4331122310101132
54102243040110
6250125523410
734351411224
oct7532642136
92583852876
101030440030
11489724934
12249113566
13135637539
149abd2b14
15606e5870
hex3d6b445e

1030440030 has 32 divisors (see below), whose sum is σ = 2474367264. Its totient is φ = 274638336.

The previous prime is 1030440029. The next prime is 1030440083. The reversal of 1030440030 is 300440301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1030439991 and 1030440009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56074 + ... + 72146.

It is an arithmetic number, because the mean of its divisors is an integer number (77323977).

Almost surely, 21030440030 is an apocalyptic number.

1030440030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030440030 is an abundant number, since it is smaller than the sum of its proper divisors (1443927234).

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

1030440030 is a wasteful number, since it uses less digits than its factorization.

1030440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18220.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1030440030 is about 32100.4677536013. The cubic root of 1030440030 is about 1010.0454281433.

Adding to 1030440030 its reverse (300440301), we get a palindrome (1330880331).

The spelling of 1030440030 in words is "one billion, thirty million, four hundred forty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 2137 4274 6411 10685 12822 16073 21370 32055 32146 48219 64110 80365 96438 160730 241095 482190 34348001 68696002 103044003 171740005 206088006 343480010 515220015 1030440030