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1230450424 = 237109201581
BaseRepresentation
bin100100101010111…
…0010111011111000
310011202022100122221
41021111302323320
510004443403144
6322032453424
742330441010
oct11125627370
93152270587
101230450424
11581614685
122a40aa274
13167bc6498
14b95b8c40
1573052d84
hex49572ef8

1230450424 has 32 divisors (see below), whose sum is σ = 2660882400. Its totient is φ = 522495360.

The previous prime is 1230450421. The next prime is 1230450427. The reversal of 1230450424 is 4240540321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230450421) and next prime (1230450427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230450421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94687 + ... + 106894.

It is an arithmetic number, because the mean of its divisors is an integer number (83152575).

Almost surely, 21230450424 is an apocalyptic number.

1230450424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1230450424 is an abundant number, since it is smaller than the sum of its proper divisors (1430431976).

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

1230450424 is a wasteful number, since it uses less digits than its factorization.

1230450424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201703 (or 201699 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1230450424 is about 35077.7767824587. The cubic root of 1230450424 is about 1071.5720404130.

Adding to 1230450424 its reverse (4240540321), we get a palindrome (5470990745).

The spelling of 1230450424 in words is "one billion, two hundred thirty million, four hundred fifty thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 109 218 436 763 872 1526 3052 6104 201581 403162 806324 1411067 1612648 2822134 5644268 11288536 21972329 43944658 87889316 153806303 175778632 307612606 615225212 1230450424