Search a number
-
+
1214420641 = 7533273371
BaseRepresentation
bin100100001100010…
…1001011010100001
310010122010221221021
41020120221122201
54441342430031
6320301125441
742044255650
oct11030513241
93118127837
101214420641
11573566225
1229a859881
131647a31c5
14b7405197
1571938511
hex486296a1

1214420641 has 8 divisors (see below), whose sum is σ = 1414096704. Its totient is φ = 1021291440.

The previous prime is 1214420611. The next prime is 1214420657. The reversal of 1214420641 is 1460244121.

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 1214420641 - 223 = 1206032033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214420611) 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, 1636315 + ... + 1637056.

It is an arithmetic number, because the mean of its divisors is an integer number (176762088).

Almost surely, 21214420641 is an apocalyptic number.

It is an amenable number.

1214420641 is a deficient number, since it is larger than the sum of its proper divisors (199676063).

1214420641 is an equidigital number, since it uses as much as digits as its factorization.

1214420641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273431.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1214420641 is about 34848.5385776793. The cubic root of 1214420641 is about 1066.8983579496.

Adding to 1214420641 its reverse (1460244121), we get a palindrome (2674664762).

The spelling of 1214420641 in words is "one billion, two hundred fourteen million, four hundred twenty thousand, six hundred forty-one".

Divisors: 1 7 53 371 3273371 22913597 173488663 1214420641