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31412112 = 2432337769
BaseRepresentation
bin111011111010…
…0111110010000
32012002220022120
41313310332100
531020141422
63041134240
7530666334
oct167647620
965086276
1031412112
1116805426
12a62a380
13667a964
1442597c4
152b5745c
hex1df4f90

31412112 has 80 divisors (see below), whose sum is σ = 87077760. Its totient is φ = 9732096.

The previous prime is 31412099. The next prime is 31412137. The reversal of 31412112 is 21121413.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 31412091 and 31412100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40464 + ... + 41232.

It is an arithmetic number, because the mean of its divisors is an integer number (1088472).

Almost surely, 231412112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31412112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43538880).

31412112 is an abundant number, since it is smaller than the sum of its proper divisors (55665648).

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

31412112 is a wasteful number, since it uses less digits than its factorization.

31412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 834 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 31412112 is about 5604.6509257937. The cubic root of 31412112 is about 315.5239855417.

Adding to 31412112 its reverse (21121413), we get a palindrome (52533525).

It can be divided in two parts, 3141 and 2112, that added together give a triangular number (5253 = T102).

The spelling of 31412112 in words is "thirty-one million, four hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 23 24 37 46 48 69 74 92 111 138 148 184 222 276 296 368 444 552 592 769 851 888 1104 1538 1702 1776 2307 2553 3076 3404 4614 5106 6152 6808 9228 10212 12304 13616 17687 18456 20424 28453 35374 36912 40848 53061 56906 70748 85359 106122 113812 141496 170718 212244 227624 282992 341436 424488 455248 654419 682872 848976 1308838 1365744 1963257 2617676 3926514 5235352 7853028 10470704 15706056 31412112