Search a number
-
+
1225412323 = 43191314897
BaseRepresentation
bin100100100001010…
…0100111011100011
310011101211101200121
41021002210323203
510002201143243
6321332501111
742236555452
oct11102447343
93141741617
101225412323
11579793463
122a247a797
13166b51265
14b8a66b99
15728aa1ed
hex490a4ee3

1225412323 has 8 divisors (see below), whose sum is σ = 1254649968. Its totient is φ = 1196208384.

The previous prime is 1225412303. The next prime is 1225412329. The reversal of 1225412323 is 3232145221.

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 1225412323 - 217 = 1225281251 is a prime.

It is a super-2 number, since 2×12254123232 = 3003270722720512658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225412329) 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, 74811 + ... + 89707.

It is an arithmetic number, because the mean of its divisors is an integer number (156831246).

Almost surely, 21225412323 is an apocalyptic number.

1225412323 is a deficient number, since it is larger than the sum of its proper divisors (29237645).

1225412323 is a wasteful number, since it uses less digits than its factorization.

1225412323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16853.

The product of its digits is 2880, while the sum is 25.

The square root of 1225412323 is about 35005.8898329981. The cubic root of 1225412323 is about 1070.1075162000.

Adding to 1225412323 its reverse (3232145221), we get a palindrome (4457557544).

The spelling of 1225412323 in words is "one billion, two hundred twenty-five million, four hundred twelve thousand, three hundred twenty-three".

Divisors: 1 43 1913 14897 82259 640571 28497961 1225412323