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1004107631 = 5371266837
BaseRepresentation
bin111011110110010…
…111011101101111
32120222101221201112
4323312113131233
54024022421011
6243345302235
733611526332
oct7366273557
92528357645
101004107631
11475879a1a
1224033497b
13130047a37
14974da619
155d24358b
hex3bd9776f

1004107631 has 8 divisors (see below), whose sum is σ = 1037466144. Its totient is φ = 971283040.

The previous prime is 1004107603. The next prime is 1004107681. The reversal of 1004107631 is 1367014001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1004107631 is a prime.

It is a super-2 number, since 2×10041076312 = 2016464269264864322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004107597 and 1004107606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004107681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129656 + ... + 137181.

It is an arithmetic number, because the mean of its divisors is an integer number (129683268).

Almost surely, 21004107631 is an apocalyptic number.

1004107631 is a deficient number, since it is larger than the sum of its proper divisors (33358513).

1004107631 is an equidigital number, since it uses as much as digits as its factorization.

1004107631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266961.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1004107631 is about 31687.6573921140. The cubic root of 1004107631 is about 1001.3673398629.

The spelling of 1004107631 in words is "one billion, four million, one hundred seven thousand, six hundred thirty-one".

Divisors: 1 53 71 3763 266837 14142361 18945427 1004107631