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1230520024 = 23563927277
BaseRepresentation
bin100100101011000…
…0011111011011000
310011202102220010201
41021112003323120
510010003120044
6322034151544
742331150636
oct11126037330
93152386121
101230520024
115816619a8
122a41225b4
13167c1c076
14b95d6356
15730687d4
hex49583ed8

1230520024 has 16 divisors (see below), whose sum is σ = 2307718800. Its totient is φ = 615128352.

The previous prime is 1230520013. The next prime is 1230520043. The reversal of 1230520024 is 4200250321.

It is a junction number, because it is equal to n+sod(n) for n = 1230519983 and 1230520010.

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, 31474 + ... + 58750.

It is an arithmetic number, because the mean of its divisors is an integer number (144232425).

Almost surely, 21230520024 is an apocalyptic number.

It is an amenable number.

1230520024 is a deficient number, since it is larger than the sum of its proper divisors (1077198776).

1230520024 is a wasteful number, since it uses less digits than its factorization.

1230520024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32922 (or 32918 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1230520024 is about 35078.7688495477. The cubic root of 1230520024 is about 1071.5922443986.

Adding to 1230520024 its reverse (4200250321), we get a palindrome (5430770345).

The spelling of 1230520024 in words is "one billion, two hundred thirty million, five hundred twenty thousand, twenty-four".

Divisors: 1 2 4 8 5639 11278 22556 27277 45112 54554 109108 218216 153815003 307630006 615260012 1230520024