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130252242 = 2354140127
BaseRepresentation
bin1111100001101…
…11110111010010
3100002002111111010
413300313313102
5231321032432
620531431350
73141061101
oct760676722
9302074433
10130252242
116758448a
1237755556
1320ca6543
1413428038
15b67d3cc
hex7c37dd2

130252242 has 16 divisors (see below), whose sum is σ = 260992512. Its totient is φ = 43336080.

The previous prime is 130252237. The next prime is 130252261. The reversal of 130252242 is 242252031.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16818 + ... + 23309.

It is an arithmetic number, because the mean of its divisors is an integer number (16312032).

Almost surely, 2130252242 is an apocalyptic number.

130252242 is an abundant number, since it is smaller than the sum of its proper divisors (130740270).

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

130252242 is a wasteful number, since it uses less digits than its factorization.

130252242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40673.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 130252242 is about 11412.8104338940. The cubic root of 130252242 is about 506.9071329893.

The spelling of 130252242 in words is "one hundred thirty million, two hundred fifty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 541 1082 1623 3246 40127 80254 120381 240762 21708707 43417414 65126121 130252242