[go: up one dir, main page]

Search a number
-
+
1220414051 = 2295329319
BaseRepresentation
bin100100010111110…
…0000101001100011
310011001102110100102
41020233200221203
54444411222201
6321033413015
742146230313
oct11057405143
93131373312
101220414051
1157698a15a
122a086a16b
13165ac11bc
14b8125443
157221e26b
hex48be0a63

1220414051 has 4 divisors (see below), whose sum is σ = 1225743600. Its totient is φ = 1215084504.

The previous prime is 1220414029. The next prime is 1220414053. The reversal of 1220414051 is 1504140221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220414051 - 214 = 1220397667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220414053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664431 + ... + 2664888.

It is an arithmetic number, because the mean of its divisors is an integer number (306435900).

Almost surely, 21220414051 is an apocalyptic number.

1220414051 is a deficient number, since it is larger than the sum of its proper divisors (5329549).

1220414051 is an equidigital number, since it uses as much as digits as its factorization.

1220414051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329548.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1220414051 is about 34934.4250131586. The cubic root of 1220414051 is about 1068.6505978433.

Adding to 1220414051 its reverse (1504140221), we get a palindrome (2724554272).

The spelling of 1220414051 in words is "one billion, two hundred twenty million, four hundred fourteen thousand, fifty-one".

Divisors: 1 229 5329319 1220414051