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1007300231 = 7143900033
BaseRepresentation
bin111100000010100…
…010111010000111
32121012102011010222
4330002202322013
54030332101411
6243541534555
733650624240
oct7402427207
92535364128
101007300231
1147765a633
1224141445b
131308c4c52
1497acbcc7
155d6744db
hex3c0a2e87

1007300231 has 4 divisors (see below), whose sum is σ = 1151200272. Its totient is φ = 863400192.

The previous prime is 1007300227. The next prime is 1007300263. The reversal of 1007300231 is 1320037001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320037001 = 6012196401.

It is a cyclic number.

It is not a de Polignac number, because 1007300231 - 22 = 1007300227 is a prime.

It is a super-2 number, since 2×10073002312 = 2029307510745306722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007300221) 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, 71950010 + ... + 71950023.

It is an arithmetic number, because the mean of its divisors is an integer number (287800068).

Almost surely, 21007300231 is an apocalyptic number.

1007300231 is a deficient number, since it is larger than the sum of its proper divisors (143900041).

1007300231 is an equidigital number, since it uses as much as digits as its factorization.

1007300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143900040.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1007300231 is about 31737.9934936032. The cubic root of 1007300231 is about 1002.4275127469.

Adding to 1007300231 its reverse (1320037001), we get a palindrome (2327337232).

The spelling of 1007300231 in words is "one billion, seven million, three hundred thousand, two hundred thirty-one".

Divisors: 1 7 143900033 1007300231