Search a number
-
+
246630631 = 1318971587
BaseRepresentation
bin11101011001101…
…00100011100111
3122012002010121211
432230310203213
51001114140011
640250052251
76053216512
oct1654644347
9565063554
10246630631
11117242275
126a71a087
133c132bb0
1424a7dd79
15169bab21
hexeb348e7

246630631 has 4 divisors (see below), whose sum is σ = 265602232. Its totient is φ = 227659032.

The previous prime is 246630607. The next prime is 246630649. The reversal of 246630631 is 136036642.

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 246630631 - 211 = 246628583 is a prime.

It is a super-2 number, since 2×2466306312 = 121653336294916322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 246630593 and 246630602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246630331) 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, 9485781 + ... + 9485806.

It is an arithmetic number, because the mean of its divisors is an integer number (66400558).

Almost surely, 2246630631 is an apocalyptic number.

246630631 is a deficient number, since it is larger than the sum of its proper divisors (18971601).

246630631 is a wasteful number, since it uses less digits than its factorization.

246630631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18971600.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 246630631 is about 15704.4780556375. The cubic root of 246630631 is about 627.1176220993.

The spelling of 246630631 in words is "two hundred forty-six million, six hundred thirty thousand, six hundred thirty-one".

Divisors: 1 13 18971587 246630631