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31741074 = 23217472207
BaseRepresentation
bin111100100010…
…1010010010010
32012201121120100
41321011102102
531111203244
63052153230
7533536401
oct171052222
965647510
1031741074
1116a0a5a2
12a768816
136764601
144303638
152bbeb69
hex1e45492

31741074 has 48 divisors (see below), whose sum is σ = 74400768. Its totient is φ = 9741696.

The previous prime is 31741069. The next prime is 31741123. The reversal of 31741074 is 47014713.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13279 + ... + 15485.

It is an arithmetic number, because the mean of its divisors is an integer number (1550016).

Almost surely, 231741074 is an apocalyptic number.

31741074 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31741074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37200384).

31741074 is an abundant number, since it is smaller than the sum of its proper divisors (42659694).

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

31741074 is a wasteful number, since it uses less digits than its factorization.

31741074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 31741074 is about 5633.9217246959. The cubic root of 31741074 is about 316.6215999886.

Adding to 31741074 its reverse (47014713), we get a palindrome (78755787).

The spelling of 31741074 in words is "thirty-one million, seven hundred forty-one thousand, seventy-four".

Divisors: 1 2 3 6 9 17 18 34 47 51 94 102 141 153 282 306 423 799 846 1598 2207 2397 4414 4794 6621 7191 13242 14382 19863 37519 39726 75038 103729 112557 207458 225114 311187 337671 622374 675342 933561 1763393 1867122 3526786 5290179 10580358 15870537 31741074