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1235213104 = 241931131071
BaseRepresentation
bin100100110011111…
…1101101100110000
310012002021022211111
41021213331230300
510012203304404
6322322523104
742416065246
oct11147755460
93162238744
101235213104
11584277984
122a5806494
13168ba3238
14ba098796
1573694104
hex499fdb30

1235213104 has 40 divisors (see below), whose sum is σ = 2600468480. Its totient is φ = 566222400.

The previous prime is 1235213101. The next prime is 1235213113. The reversal of 1235213104 is 4013125321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1235213101) 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, 56112 + ... + 74959.

It is an arithmetic number, because the mean of its divisors is an integer number (65011712).

Almost surely, 21235213104 is an apocalyptic number.

It is an amenable number.

1235213104 is an abundant number, since it is smaller than the sum of its proper divisors (1365255376).

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

1235213104 is a wasteful number, since it uses less digits than its factorization.

1235213104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131129 (or 131123 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1235213104 is about 35145.5986433579. The cubic root of 1235213104 is about 1072.9528312753.

Adding to 1235213104 its reverse (4013125321), we get a palindrome (5248338425).

The spelling of 1235213104 in words is "one billion, two hundred thirty-five million, two hundred thirteen thousand, one hundred four".

Divisors: 1 2 4 8 16 19 31 38 62 76 124 152 248 304 496 589 1178 2356 4712 9424 131071 262142 524284 1048568 2097136 2490349 4063201 4980698 8126402 9961396 16252804 19922792 32505608 39845584 65011216 77200819 154401638 308803276 617606552 1235213104