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34121312 = 251762723
BaseRepresentation
bin1000001000101…
…0011001100000
32101012112122022
42002022121200
532213340222
63215201012
7563012021
oct202123140
971175568
1034121312
1118295935
12b516168
1370b8b34
144762c48
152ee0042
hex208a660

34121312 has 24 divisors (see below), whose sum is σ = 71129016. Its totient is φ = 16056832.

The previous prime is 34121267. The next prime is 34121323. The reversal of 34121312 is 21312143.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 30818 + ... + 31905.

It is an arithmetic number, because the mean of its divisors is an integer number (2963709).

Almost surely, 234121312 is an apocalyptic number.

34121312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

34121312 is an abundant number, since it is smaller than the sum of its proper divisors (37007704).

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

34121312 is a wasteful number, since it uses less digits than its factorization.

34121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62750 (or 62742 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 34121312 is about 5841.3450505855. The cubic root of 34121312 is about 324.3460206166.

Adding to 34121312 its reverse (21312143), we get a palindrome (55433455).

The spelling of 34121312 in words is "thirty-four million, one hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 62723 125446 250892 501784 1003568 1066291 2007136 2132582 4265164 8530328 17060656 34121312