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1000031274 = 2321112739769
BaseRepresentation
bin111011100110110…
…100010000101010
32120200201212000100
4323212310100222
54022002000044
6243122050230
733532061034
oct7346642052
92520655010
101000031274
11473545330
1223aaa9976
1312c24b4a8
1496b58c54
155cbda869
hex3b9b442a

1000031274 has 48 divisors (see below), whose sum is σ = 2382382080. Its totient is φ = 300646080.

The previous prime is 1000031261. The next prime is 1000031299. The reversal of 1000031274 is 4721300001.

1000031274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5262 + ... + 45030.

It is an arithmetic number, because the mean of its divisors is an integer number (49632960).

Almost surely, 21000031274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000031274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191191040).

1000031274 is an abundant number, since it is smaller than the sum of its proper divisors (1382350806).

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

1000031274 is a wasteful number, since it uses less digits than its factorization.

1000031274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39915 (or 39912 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1000031274 is about 31623.2710831754. The cubic root of 1000031274 is about 1000.0104245580.

Adding to 1000031274 its reverse (4721300001), we get a palindrome (5721331275).

The spelling of 1000031274 in words is "one billion, thirty-one thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 127 198 254 381 762 1143 1397 2286 2794 4191 8382 12573 25146 39769 79538 119307 238614 357921 437459 715842 874918 1312377 2624754 3937131 5050663 7874262 10101326 15151989 30303978 45455967 55557293 90911934 111114586 166671879 333343758 500015637 1000031274