[go: up one dir, main page]

Search a number
-
+
2238909319 = 67101330857
BaseRepresentation
bin1000010101110011…
…0000101110000111
312210000220101012101
42011130300232013
514041130044234
61010055332531
7106324262263
oct20534605607
95700811171
102238909319
11a49895789
12525981147
13298b0591a
141734c90a3
15d1855814
hex85730b87

2238909319 has 8 divisors (see below), whose sum is σ = 2294831088. Its totient is φ = 2183649600.

The previous prime is 2238909317. The next prime is 2238909329. The reversal of 2238909319 is 9139098322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2238909319 - 21 = 2238909317 is a prime.

It is a super-2 number, since 2×22389093192 = 10025429877410087522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238909317) 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, 158662 + ... + 172195.

It is an arithmetic number, because the mean of its divisors is an integer number (286853886).

Almost surely, 22238909319 is an apocalyptic number.

2238909319 is a deficient number, since it is larger than the sum of its proper divisors (55921769).

2238909319 is a wasteful number, since it uses less digits than its factorization.

2238909319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331025.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 2238909319 is about 47317.1144407602. The cubic root of 2238909319 is about 1308.2141271064.

The spelling of 2238909319 in words is "two billion, two hundred thirty-eight million, nine hundred nine thousand, three hundred nineteen".

Divisors: 1 67 101 6767 330857 22167419 33416557 2238909319