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1004362031 = 5318950227
BaseRepresentation
bin111011110111010…
…101100100101111
32120222212212200202
4323313111210233
54024104041111
6243354544115
733613636121
oct7367254457
92528785622
101004362031
11475a33072
1224043803b
1313010677a
1497565211
155d293b3b
hex3bdd592f

1004362031 has 4 divisors (see below), whose sum is σ = 1023312312. Its totient is φ = 985411752.

The previous prime is 1004361991. The next prime is 1004362033. The reversal of 1004362031 is 1302634001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1004362031 is a prime.

It is a super-2 number, since 2×10043620312 = 2017486178628889922, 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 = 1004361994 and 1004362012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004362033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9475061 + ... + 9475166.

It is an arithmetic number, because the mean of its divisors is an integer number (255828078).

Almost surely, 21004362031 is an apocalyptic number.

1004362031 is a deficient number, since it is larger than the sum of its proper divisors (18950281).

1004362031 is an equidigital number, since it uses as much as digits as its factorization.

1004362031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18950280.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1004362031 is about 31691.6713191337. The cubic root of 1004362031 is about 1001.4519012957.

Adding to 1004362031 its reverse (1302634001), we get a palindrome (2306996032).

The spelling of 1004362031 in words is "one billion, four million, three hundred sixty-two thousand, thirty-one".

Divisors: 1 53 18950227 1004362031