Search a number
-
+
2149006242 = 232331502339
BaseRepresentation
bin1000000000010111…
…0011101110100010
312112202201211100210
42000011303232202
513400121144432
6553124354550
7104153152215
oct20005635642
95482654323
102149006242
11a03070219
124bb845a56
132832b8b36
141655a577c
15c89e78cc
hex80173ba2

2149006242 has 32 divisors (see below), whose sum is σ = 4629565440. Its totient is φ = 663086160.

The previous prime is 2149006241. The next prime is 2149006247. The reversal of 2149006242 is 2426009412.

It is not an unprimeable number, because it can be changed into a prime (2149006241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246892 + ... + 255447.

It is an arithmetic number, because the mean of its divisors is an integer number (144673920).

Almost surely, 22149006242 is an apocalyptic number.

2149006242 is an abundant number, since it is smaller than the sum of its proper divisors (2480559198).

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

2149006242 is a wasteful number, since it uses less digits than its factorization.

2149006242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502398.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2149006242 is about 46357.3752708240. The cubic root of 2149006242 is about 1290.4639962979.

The spelling of 2149006242 in words is "two billion, one hundred forty-nine million, six thousand, two hundred forty-two".

Divisors: 1 2 3 6 23 31 46 62 69 93 138 186 713 1426 2139 4278 502339 1004678 1507017 3014034 11553797 15572509 23107594 31145018 34661391 46717527 69322782 93435054 358167707 716335414 1074503121 2149006242