Search a number
-
+
1230424232 = 231759153343
BaseRepresentation
bin100100101010110…
…1100100010101000
310011202021000201212
41021111230202220
510004442033412
6322032132252
742330301442
oct11125544250
93152230655
101230424232
115815a6a34
122a4097088
13167bb759b
14b95ad492
157304a222
hex4956c8a8

1230424232 has 32 divisors (see below), whose sum is σ = 2484172800. Its totient is φ = 569205504.

The previous prime is 1230424219. The next prime is 1230424243. The reversal of 1230424232 is 2324240321.

It is a junction number, because it is equal to n+sod(n) for n = 1230424198 and 1230424207.

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 7 ways as a sum of consecutive naturals, for example, 68648 + ... + 84695.

It is an arithmetic number, because the mean of its divisors is an integer number (77630400).

Almost surely, 21230424232 is an apocalyptic number.

It is an amenable number.

1230424232 is an abundant number, since it is smaller than the sum of its proper divisors (1253748568).

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

1230424232 is a wasteful number, since it uses less digits than its factorization.

1230424232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153425 (or 153421 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1230424232 is about 35077.4034386811. The cubic root of 1230424232 is about 1071.5644370147.

Adding to 1230424232 its reverse (2324240321), we get a palindrome (3554664553).

The spelling of 1230424232 in words is "one billion, two hundred thirty million, four hundred twenty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 17 34 59 68 118 136 236 472 1003 2006 4012 8024 153343 306686 613372 1226744 2606831 5213662 9047237 10427324 18094474 20854648 36188948 72377896 153803029 307606058 615212116 1230424232