Search a number
-
+
427912449 = 34115722159
BaseRepresentation
bin11001100000010…
…110110100000001
31002211012012112020
4121200112310001
51334021144244
6110243352053
713414124106
oct3140266401
91084165466
10427912449
111aa5aaa58
12bb382629
136a865343
1440b8caad
1527878d19
hex19816d01

427912449 has 16 divisors (see below), whose sum is σ = 588215040. Its totient is φ = 276531840.

The previous prime is 427912439. The next prime is 427912469. The reversal of 427912449 is 944219724.

It is not a de Polignac number, because 427912449 - 28 = 427912193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427912449.

It is not an unprimeable number, because it can be changed into a prime (427912439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8232 + ... + 30390.

It is an arithmetic number, because the mean of its divisors is an integer number (36763440).

Almost surely, 2427912449 is an apocalyptic number.

It is an amenable number.

427912449 is a deficient number, since it is larger than the sum of its proper divisors (160302591).

427912449 is a wasteful number, since it uses less digits than its factorization.

427912449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360.

The product of its digits is 145152, while the sum is 42.

The square root of 427912449 is about 20686.0447886975. The cubic root of 427912449 is about 753.5608149300.

The spelling of 427912449 in words is "four hundred twenty-seven million, nine hundred twelve thousand, four hundred forty-nine".

Divisors: 1 3 41 123 157 471 6437 19311 22159 66477 908519 2725557 3478963 10436889 142637483 427912449