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1230404030 = 25123040403
BaseRepresentation
bin100100101010110…
…0111100110111110
310011202020000000122
41021111213212332
510004440412110
6322031454542
742330155522
oct11125474676
93152200018
101230404030
11581592839
122a4087452
13167bab32b
14b95a5d82
1573044255
hex495679be

1230404030 has 8 divisors (see below), whose sum is σ = 2214727272. Its totient is φ = 492161608.

The previous prime is 1230404029. The next prime is 1230404041. The reversal of 1230404030 is 304040321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61520192 + ... + 61520211.

It is an arithmetic number, because the mean of its divisors is an integer number (276840909).

Almost surely, 21230404030 is an apocalyptic number.

1230404030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230404030 is a deficient number, since it is larger than the sum of its proper divisors (984323242).

1230404030 is a wasteful number, since it uses less digits than its factorization.

1230404030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123040410.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1230404030 is about 35077.1154743374. The cubic root of 1230404030 is about 1071.5585724078.

Adding to 1230404030 its reverse (304040321), we get a palindrome (1534444351).

The spelling of 1230404030 in words is "one billion, two hundred thirty million, four hundred four thousand, thirty".

Divisors: 1 2 5 10 123040403 246080806 615202015 1230404030