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1240223230 = 25124022323
BaseRepresentation
bin100100111101100…
…0100110111111110
310012102200212102201
41021323010313332
510014444120410
6323022142114
742506503111
oct11173046776
93172625381
101240223230
1158708a084
122a742193a
13169c387cc
14baa00578
1573d3383a
hex49ec4dfe

1240223230 has 8 divisors (see below), whose sum is σ = 2232401832. Its totient is φ = 496089288.

The previous prime is 1240223221. The next prime is 1240223261. The reversal of 1240223230 is 323220421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1240223198 and 1240223207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62011152 + ... + 62011171.

It is an arithmetic number, because the mean of its divisors is an integer number (279050229).

Almost surely, 21240223230 is an apocalyptic number.

1240223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240223230 is a deficient number, since it is larger than the sum of its proper divisors (992178602).

1240223230 is a wasteful number, since it uses less digits than its factorization.

1240223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124022330.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1240223230 is about 35216.8032336838. The cubic root of 1240223230 is about 1074.4015360090.

Adding to 1240223230 its reverse (323220421), we get a palindrome (1563443651).

The spelling of 1240223230 in words is "one billion, two hundred forty million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 124022323 248044646 620111615 1240223230