Search a number
-
+
130072244 = 22101321961
BaseRepresentation
bin1111100000010…
…11111010110100
3100001202100120112
413300023322310
5231244302434
620523522152
73136411241
oct760137264
9301670515
10130072244
1167471225
1237689358
1320c42633
14133bc5c8
15b644dce
hex7c0beb4

130072244 has 12 divisors (see below), whose sum is σ = 229880868. Its totient is φ = 64392000.

The previous prime is 130072231. The next prime is 130072273. The reversal of 130072244 is 442270031.

It can be written as a sum of positive squares in 2 ways, for example, as 104448400 + 25623844 = 10220^2 + 5062^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160577 + ... + 161384.

It is an arithmetic number, because the mean of its divisors is an integer number (19156739).

Almost surely, 2130072244 is an apocalyptic number.

It is an amenable number.

130072244 is a deficient number, since it is larger than the sum of its proper divisors (99808624).

130072244 is a wasteful number, since it uses less digits than its factorization.

130072244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322066 (or 322064 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 130072244 is about 11404.9219199432. The cubic root of 130072244 is about 506.6735238761.

It can be divided in two parts, 13007 and 2244, that added together give a palindrome (15251).

The spelling of 130072244 in words is "one hundred thirty million, seventy-two thousand, two hundred forty-four".

Divisors: 1 2 4 101 202 404 321961 643922 1287844 32518061 65036122 130072244