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1230424325 = 521319296871
BaseRepresentation
bin100100101010110…
…1100100100000101
310011202021000212022
41021111230210011
510004442034300
6322032132525
742330301634
oct11125544405
93152230768
101230424325
115815a7009
122a4097145
13167bb7640
14b95ad51b
157304a285
hex4956c905

1230424325 has 48 divisors (see below), whose sum is σ = 1789468800. Its totient is φ = 830995200.

The previous prime is 1230424277. The next prime is 1230424357. The reversal of 1230424325 is 5234240321.

It is not a de Polignac number, because 1230424325 - 212 = 1230420229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230424294 and 1230424303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175640 + ... + 182510.

It is an arithmetic number, because the mean of its divisors is an integer number (37280600).

Almost surely, 21230424325 is an apocalyptic number.

It is an amenable number.

1230424325 is a deficient number, since it is larger than the sum of its proper divisors (559044475).

1230424325 is a wasteful number, since it uses less digits than its factorization.

1230424325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942 (or 6937 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1230424325 is about 35077.4047643209. The cubic root of 1230424325 is about 1071.5644640123.

Adding to 1230424325 its reverse (5234240321), we get a palindrome (6464664646).

The spelling of 1230424325 in words is "one billion, two hundred thirty million, four hundred twenty-four thousand, three hundred twenty-five".

Divisors: 1 5 13 19 25 29 65 95 145 247 325 377 475 551 725 1235 1885 2755 6175 6871 7163 9425 13775 34355 35815 89323 130549 171775 179075 199259 446615 652745 996295 1697137 2233075 2590367 3263725 3785921 4981475 8485685 12951835 18929605 42428425 49216973 64759175 94648025 246084865 1230424325