Search a number
-
+
214606021 = 7253112113
BaseRepresentation
bin11001100101010…
…10000011000101
3112221211010010011
430302222003011
5414414343041
633143430221
75214056350
oct1462520305
9487733104
10214606021
11100159753
125ba55371
13355cc516
1420705297
1513c91e81
hexccaa0c5

214606021 has 8 divisors (see below), whose sum is σ = 245381184. Its totient is φ = 183860160.

The previous prime is 214605983. The next prime is 214606037. The reversal of 214606021 is 120606412.

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 214606021 - 215 = 214573253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214605983 and 214606001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214606321) 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, 11661 + ... + 23773.

It is an arithmetic number, because the mean of its divisors is an integer number (30672648).

Almost surely, 2214606021 is an apocalyptic number.

It is an amenable number.

214606021 is a deficient number, since it is larger than the sum of its proper divisors (30775163).

214606021 is a wasteful number, since it uses less digits than its factorization.

214606021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14651.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 214606021 is about 14649.4375659955. The cubic root of 214606021 is about 598.7064921032.

The spelling of 214606021 in words is "two hundred fourteen million, six hundred six thousand, twenty-one".

Divisors: 1 7 2531 12113 17717 84791 30658003 214606021