Search a number
-
+
130220214 = 23173125453
BaseRepresentation
bin1111100001100…
…00000010110110
3100002000212112220
413300300002312
5231314021324
620531023210
73140565525
oct760600266
9302025486
10130220214
1167562413
123773ab06
1320c94aa7
141341a4bc
15b673b79
hex7c300b6

130220214 has 16 divisors (see below), whose sum is σ = 261947952. Its totient is φ = 43155488.

The previous prime is 130220213. The next prime is 130220219. The reversal of 130220214 is 412022031.

It is a junction number, because it is equal to n+sod(n) for n = 130220193 and 130220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61689 + ... + 63764.

It is an arithmetic number, because the mean of its divisors is an integer number (16371747).

Almost surely, 2130220214 is an apocalyptic number.

130220214 is an abundant number, since it is smaller than the sum of its proper divisors (131727738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130220214 is a wasteful number, since it uses less digits than its factorization.

130220214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125631.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130220214 is about 11411.4071875470. The cubic root of 130220214 is about 506.8655814267.

Adding to 130220214 its reverse (412022031), we get a palindrome (542242245).

The spelling of 130220214 in words is "one hundred thirty million, two hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 3 6 173 346 519 1038 125453 250906 376359 752718 21703369 43406738 65110107 130220214