Search a number
-
+
61463121 = 3125916273
BaseRepresentation
bin1110101001110…
…1101001010001
311021122122112220
43222131221101
5111213304441
610033211253
71344266526
oct352355121
9137578486
1061463121
1131770175
1218700b29
13c96cc15
14823d14d
1555e1466
hex3a9da51

61463121 has 8 divisors (see below), whose sum is σ = 82020960. Its totient is φ = 40940352.

The previous prime is 61463117. The next prime is 61463131. The reversal of 61463121 is 12136416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61463121 - 22 = 61463117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61463091 and 61463100.

It is not an unprimeable number, because it can be changed into a prime (61463131) 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, 4360 + ... + 11913.

It is an arithmetic number, because the mean of its divisors is an integer number (10252620).

Almost surely, 261463121 is an apocalyptic number.

It is an amenable number.

61463121 is a deficient number, since it is larger than the sum of its proper divisors (20557839).

61463121 is a wasteful number, since it uses less digits than its factorization.

61463121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17535.

The product of its digits is 864, while the sum is 24.

The square root of 61463121 is about 7839.8418989161. The cubic root of 61463121 is about 394.6434233322.

Adding to 61463121 its reverse (12136416), we get a palindrome (73599537).

The spelling of 61463121 in words is "sixty-one million, four hundred sixty-three thousand, one hundred twenty-one".

Divisors: 1 3 1259 3777 16273 48819 20487707 61463121