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1230426450 = 234521171389
BaseRepresentation
bin100100101010110…
…1101000101010010
310011202021010210000
41021111231011102
510004442121300
6322032150430
742330311061
oct11125550522
93152233700
101230426450
115815a8670
122a4098416
13167bb85b6
14b95b01d8
157304ac00
hex4956d152

1230426450 has 240 divisors, whose sum is σ = 3791810880. Its totient is φ = 293328000.

The previous prime is 1230426437. The next prime is 1230426451. The reversal of 1230426450 is 546240321.

1230426450 is a `hidden beast` number, since 1 + 230 + 426 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1230426451) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3162856 + ... + 3163244.

It is an arithmetic number, because the mean of its divisors is an integer number (15799212).

Almost surely, 21230426450 is an apocalyptic number.

1230426450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230426450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895905440).

1230426450 is an abundant number, since it is smaller than the sum of its proper divisors (2561384430).

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

1230426450 is a wasteful number, since it uses less digits than its factorization.

1230426450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1230426450 is about 35077.4350544620. The cubic root of 1230426450 is about 1071.5650808925.

Adding to 1230426450 its reverse (546240321), we get a palindrome (1776666771).

The spelling of 1230426450 in words is "one billion, two hundred thirty million, four hundred twenty-six thousand, four hundred fifty".