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31104234 = 23272310733
BaseRepresentation
bin111011010100…
…1110011101010
32011112020222200
41312221303222
530430313414
63030401030
7525244620
oct166516352
964466880
1031104234
1116615087
12a500176
1365a0795
1441b9510
152ae6109
hex1da9cea

31104234 has 48 divisors (see below), whose sum is σ = 80376192. Its totient is φ = 8499744.

The previous prime is 31104223. The next prime is 31104259. The reversal of 31104234 is 43240113.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2469 + ... + 8264.

It is an arithmetic number, because the mean of its divisors is an integer number (1674504).

Almost surely, 231104234 is an apocalyptic number.

31104234 is an abundant number, since it is smaller than the sum of its proper divisors (49271958).

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

31104234 is a wasteful number, since it uses less digits than its factorization.

31104234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771 (or 10768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 31104234 is about 5577.1169971590. The cubic root of 31104234 is about 314.4897559521.

Adding to 31104234 its reverse (43240113), we get a palindrome (74344347).

The spelling of 31104234 in words is "thirty-one million, one hundred four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 23 42 46 63 69 126 138 161 207 322 414 483 966 1449 2898 10733 21466 32199 64398 75131 96597 150262 193194 225393 246859 450786 493718 676179 740577 1352358 1481154 1728013 2221731 3456026 4443462 5184039 10368078 15552117 31104234