Search a number
-
+
130425751 = 1743672663
BaseRepresentation
bin1111100011000…
…10001110010111
3100002102022111101
413301202032113
5231342111001
620535250531
73142413001
oct761421627
9302368441
10130425751
1167692885
1237819a47
1321037501
1413471371
15b6b4a01
hex7c62397

130425751 has 16 divisors (see below), whose sum is σ = 143472384. Its totient is φ = 118065024.

The previous prime is 130425749. The next prime is 130425767. The reversal of 130425751 is 157524031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130425751 - 21 = 130425749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130423751) 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, 47646 + ... + 50308.

It is an arithmetic number, because the mean of its divisors is an integer number (8967024).

Almost surely, 2130425751 is an apocalyptic number.

130425751 is a deficient number, since it is larger than the sum of its proper divisors (13046633).

130425751 is a wasteful number, since it uses less digits than its factorization.

130425751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 130425751 is about 11420.4094059714. The cubic root of 130425751 is about 507.1321167675.

Adding to 130425751 its reverse (157524031), we get a palindrome (287949782).

The spelling of 130425751 in words is "one hundred thirty million, four hundred twenty-five thousand, seven hundred fifty-one".

Divisors: 1 17 43 67 731 1139 2663 2881 45271 48977 114509 178421 1946653 3033157 7672103 130425751