Search a number
-
+
214422461 = 1159330389
BaseRepresentation
bin11001100011111…
…01001110111101
3112221110210022122
430301331032331
5414343004321
633135452325
75212363241
oct1461751675
9487423278
10214422461
11100043850
125b9870a5
1335566ac6
1420698421
1513c578ab
hexcc7d3bd

214422461 has 8 divisors (see below), whose sum is σ = 237880800. Its totient is φ = 191625040.

The previous prime is 214422427. The next prime is 214422487. The reversal of 214422461 is 164224412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214422461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214422461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214424461) 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, 164546 + ... + 165843.

It is an arithmetic number, because the mean of its divisors is an integer number (29735100).

Almost surely, 2214422461 is an apocalyptic number.

It is an amenable number.

214422461 is a deficient number, since it is larger than the sum of its proper divisors (23458339).

214422461 is a wasteful number, since it uses less digits than its factorization.

214422461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330459.

The product of its digits is 3072, while the sum is 26.

The square root of 214422461 is about 14643.1711387937. The cubic root of 214422461 is about 598.5357452443.

Adding to 214422461 its reverse (164224412), we get a palindrome (378646873).

The spelling of 214422461 in words is "two hundred fourteen million, four hundred twenty-two thousand, four hundred sixty-one".

Divisors: 1 11 59 649 330389 3634279 19492951 214422461