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1233420430 = 251111212913
BaseRepresentation
bin100100110000100…
…1000000010001110
310011221220020202011
41021201020002032
510011223423210
6322220251434
742364620634
oct11141100216
93157806664
101233420430
11583263030
122a50a0b7a
131686c6298
14b9b4d354
157343cd8a
hex4984808e

1233420430 has 16 divisors (see below), whose sum is σ = 2421989424. Its totient is φ = 448516480.

The previous prime is 1233420401. The next prime is 1233420439. The reversal of 1233420430 is 340243321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233420439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5606347 + ... + 5606566.

It is an arithmetic number, because the mean of its divisors is an integer number (151374339).

Almost surely, 21233420430 is an apocalyptic number.

1233420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1233420430 is a deficient number, since it is larger than the sum of its proper divisors (1188568994).

1233420430 is a wasteful number, since it uses less digits than its factorization.

1233420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212931.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1233420430 is about 35120.0858484144. The cubic root of 1233420430 is about 1072.4335184818.

Adding to 1233420430 its reverse (340243321), we get a palindrome (1573663751).

The spelling of 1233420430 in words is "one billion, two hundred thirty-three million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 11212913 22425826 56064565 112129130 123342043 246684086 616710215 1233420430