Search a number
-
+
449012946 = 23237145827
BaseRepresentation
bin11010110000110…
…110010011010010
31011021220012222010
4122300312103102
51404421403241
6112315523350
714061355434
oct3260662322
91137805863
10449012946
11210502088
12106459556
1372042645
14438c2654
1529645d16
hex1ac364d2

449012946 has 32 divisors (see below), whose sum is σ = 950289408. Its totient is φ = 141144080.

The previous prime is 449012939. The next prime is 449012957. The reversal of 449012946 is 649210944.

It is a super-2 number, since 2×4490129462 = 403225251351197832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13116 + ... + 32711.

It is an arithmetic number, because the mean of its divisors is an integer number (29696544).

Almost surely, 2449012946 is an apocalyptic number.

449012946 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

449012946 is an abundant number, since it is smaller than the sum of its proper divisors (501276462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449012946 is a wasteful number, since it uses less digits than its factorization.

449012946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45926.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 449012946 is about 21189.9255779722. The cubic root of 449012946 is about 765.7487342455.

The spelling of 449012946 in words is "four hundred forty-nine million, twelve thousand, nine hundred forty-six".

Divisors: 1 2 3 6 23 46 69 71 138 142 213 426 1633 3266 4899 9798 45827 91654 137481 274962 1054021 2108042 3162063 3253717 6324126 6507434 9761151 19522302 74835491 149670982 224506473 449012946