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130430765 = 583467673
BaseRepresentation
bin1111100011000…
…11011100101101
3100002102120101002
413301203130231
5231342241030
620535330045
73142433423
oct761433455
9302376332
10130430765
1167696623
1237820925
132103988a
1413473113
15b6b6245
hex7c6372d

130430765 has 16 divisors (see below), whose sum is σ = 158977728. Its totient is φ = 102713856.

The previous prime is 130430761. The next prime is 130430771. The reversal of 130430765 is 567034031.

130430765 = 2782 + 2792 + ... + 7442.

It is a cyclic number.

It is not a de Polignac number, because 130430765 - 22 = 130430761 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130430761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193469 + ... + 194141.

It is an arithmetic number, because the mean of its divisors is an integer number (9936108).

Almost surely, 2130430765 is an apocalyptic number.

It is an amenable number.

130430765 is a deficient number, since it is larger than the sum of its proper divisors (28546963).

130430765 is an equidigital number, since it uses as much as digits as its factorization.

130430765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 130430765 is about 11420.6289231373. The cubic root of 130430765 is about 507.1386152997.

Adding to 130430765 its reverse (567034031), we get a palindrome (697464796).

The spelling of 130430765 in words is "one hundred thirty million, four hundred thirty thousand, seven hundred sixty-five".

Divisors: 1 5 83 415 467 673 2335 3365 38761 55859 193805 279295 314291 1571455 26086153 130430765