Search a number
-
+
3146270431 = 22229141539
BaseRepresentation
bin1011101110001000…
…0100011011011111
322010021021002122111
42323202010123133
522420421123211
61240111254451
7140652600043
oct27342043337
98107232574
103146270431
111374a955a7
1273981a427
133b1aa89a5
1421bc00023
15136338421
hexbb8846df

3146270431 has 4 divisors (see below), whose sum is σ = 3146434200. Its totient is φ = 3146106664.

The previous prime is 3146270377. The next prime is 3146270471. The reversal of 3146270431 is 1340726413.

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 3146270431 - 225 = 3112715999 is a prime.

It is a super-2 number, since 2×31462704312 = 19798035249969851522, 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 = 3146270393 and 3146270402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146270471) 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, 48541 + ... + 92998.

It is an arithmetic number, because the mean of its divisors is an integer number (786608550).

Almost surely, 23146270431 is an apocalyptic number.

3146270431 is a deficient number, since it is larger than the sum of its proper divisors (163769).

3146270431 is a wasteful number, since it uses less digits than its factorization.

3146270431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163768.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3146270431 is about 56091.6253196500. The cubic root of 3146270431 is about 1465.3184444446.

Adding to 3146270431 its reverse (1340726413), we get a palindrome (4486996844).

The spelling of 3146270431 in words is "three billion, one hundred forty-six million, two hundred seventy thousand, four hundred thirty-one".

Divisors: 1 22229 141539 3146270431