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130267741 = 239354437
BaseRepresentation
bin1111100001110…
…11101001011101
3100002010021202011
413300323221131
5231322031431
620532031221
73141154222
oct760735135
9302107664
10130267741
116759509a
1237762511
1320cb0606
141342d949
15b682cb1
hex7c3ba5d

130267741 has 4 divisors (see below), whose sum is σ = 130324572. Its totient is φ = 130210912.

The previous prime is 130267733. The next prime is 130267771. The reversal of 130267741 is 147762031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7722841 + 122544900 = 2779^2 + 11070^2 .

It is a cyclic number.

It is not a de Polignac number, because 130267741 - 23 = 130267733 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 (130267771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24826 + ... + 29611.

It is an arithmetic number, because the mean of its divisors is an integer number (32581143).

Almost surely, 2130267741 is an apocalyptic number.

It is an amenable number.

130267741 is a deficient number, since it is larger than the sum of its proper divisors (56831).

130267741 is an equidigital number, since it uses as much as digits as its factorization.

130267741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56830.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 130267741 is about 11413.4894313702. The cubic root of 130267741 is about 506.9272381891.

The spelling of 130267741 in words is "one hundred thirty million, two hundred sixty-seven thousand, seven hundred forty-one".

Divisors: 1 2393 54437 130267741