Search a number
-
+
1225346215 = 5892753587
BaseRepresentation
bin100100100001001…
…0100110010100111
310011101201001000011
41021002110302213
510002142034330
6321331231051
742236161642
oct11102246247
93141631004
101225346215
11579748825
122a2448487
13166b2a142
14b8a4aa59
157289582a
hex49094ca7

1225346215 has 8 divisors (see below), whose sum is σ = 1486937520. Its totient is φ = 969262272.

The previous prime is 1225346209. The next prime is 1225346231. The reversal of 1225346215 is 5126435221.

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 1225346215 - 211 = 1225344167 is a prime.

It is a super-2 number, since 2×12253462152 = 3002946693229652450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376349 + ... + 1377238.

It is an arithmetic number, because the mean of its divisors is an integer number (185867190).

Almost surely, 21225346215 is an apocalyptic number.

1225346215 is a deficient number, since it is larger than the sum of its proper divisors (261591305).

1225346215 is an equidigital number, since it uses as much as digits as its factorization.

1225346215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753681.

The product of its digits is 14400, while the sum is 31.

The square root of 1225346215 is about 35004.9455791607. The cubic root of 1225346215 is about 1070.0882726255.

The spelling of 1225346215 in words is "one billion, two hundred twenty-five million, three hundred forty-six thousand, two hundred fifteen".

Divisors: 1 5 89 445 2753587 13767935 245069243 1225346215