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31460112 = 24321971109
BaseRepresentation
bin111100000000…
…0101100010000
32012012100011100
41320000230100
531023210422
63042144400
7531256305
oct170005420
965170140
1031460112
11168384a2
12a652100
136696768
14426d0ac
152b667ac
hex1e00b10

31460112 has 60 divisors (see below), whose sum is σ = 88571340. Its totient is φ = 10424064.

The previous prime is 31460063. The next prime is 31460129. The reversal of 31460112 is 21106413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15492096 + 15968016 = 3936^2 + 3996^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27814 + ... + 28922.

It is an arithmetic number, because the mean of its divisors is an integer number (1476189).

Almost surely, 231460112 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 31460112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44285670).

31460112 is an abundant number, since it is smaller than the sum of its proper divisors (57111228).

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

31460112 is a wasteful number, since it uses less digits than its factorization.

31460112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 31460112 is about 5608.9314490373. The cubic root of 31460112 is about 315.6846183103.

Adding to 31460112 its reverse (21106413), we get a palindrome (52566525).

The spelling of 31460112 in words is "thirty-one million, four hundred sixty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 197 394 591 788 1109 1182 1576 1773 2218 2364 3152 3327 3546 4436 4728 6654 7092 8872 9456 9981 13308 14184 17744 19962 26616 28368 39924 53232 79848 159696 218473 436946 655419 873892 1310838 1747784 1966257 2621676 3495568 3932514 5243352 7865028 10486704 15730056 31460112