Search a number
-
+
2102392242 = 232116799569
BaseRepresentation
bin111110101001111…
…1111010110110010
312102112000120222100
41331103333112302
513301203022432
6544341321230
7103046016306
oct17523772662
95375016870
102102392242
11989822455
124a8106216
132767479a2
1415d30dd06
15c488b07c
hex7d4ff5b2

2102392242 has 12 divisors (see below), whose sum is σ = 4555183230. Its totient is φ = 700797408.

The previous prime is 2102392231. The next prime is 2102392291. The reversal of 2102392242 is 2422932012.

It can be written as a sum of positive squares in only one way, i.e., 1848914001 + 253478241 = 42999^2 + 15921^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58399767 + ... + 58399802.

Almost surely, 22102392242 is an apocalyptic number.

2102392242 is an abundant number, since it is smaller than the sum of its proper divisors (2452790988).

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

2102392242 is a wasteful number, since it uses less digits than its factorization.

2102392242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116799577 (or 116799574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2102392242 is about 45851.8510204332. The cubic root of 2102392242 is about 1281.0652432002.

The spelling of 2102392242 in words is "two billion, one hundred two million, three hundred ninety-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 116799569 233599138 350398707 700797414 1051196121 2102392242