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1007712331 = 1397249729
BaseRepresentation
bin111100000100000…
…111100001001011
32121020012002102221
4330010013201023
54030433243311
6243554434511
733654261553
oct7404074113
92536162387
101007712331
1147791120a
12241592a37
13130a0a6b2
1497b98163
155d706671
hex3c10784b

1007712331 has 4 divisors (see below), whose sum is σ = 1014962200. Its totient is φ = 1000462464.

The previous prime is 1007712323. The next prime is 1007712337. The reversal of 1007712331 is 1332177001.

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

It is a cyclic number.

It is not a de Polignac number, because 1007712331 - 23 = 1007712323 is a prime.

It is a super-2 number, since 2×10077123312 = 2030968284098907122, 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 = 1007712296 and 1007712305.

It is not an unprimeable number, because it can be changed into a prime (1007712337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3624726 + ... + 3625003.

It is an arithmetic number, because the mean of its divisors is an integer number (253740550).

Almost surely, 21007712331 is an apocalyptic number.

1007712331 is a deficient number, since it is larger than the sum of its proper divisors (7249869).

1007712331 is an equidigital number, since it uses as much as digits as its factorization.

1007712331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249868.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 1007712331 is about 31744.4850485876. The cubic root of 1007712331 is about 1002.5641962775.

Adding to 1007712331 its reverse (1332177001), we get a palindrome (2339889332).

The spelling of 1007712331 in words is "one billion, seven million, seven hundred twelve thousand, three hundred thirty-one".

Divisors: 1 139 7249729 1007712331