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457478011 = 677675743
BaseRepresentation
bin11011010001001…
…000111101111011
31011212211021212001
4123101020331323
51414103244021
6113221201431
714223333064
oct3321107573
91155737761
10457478011
11215264001
12109260277
1373a17663
1444a8756b
152a269091
hex1b448f7b

457478011 has 4 divisors (see below), whose sum is σ = 458154432. Its totient is φ = 456801592.

The previous prime is 457477967. The next prime is 457478017. The reversal of 457478011 is 110874754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110874754 = 255437377.

It is a cyclic number.

It is not a de Polignac number, because 457478011 - 27 = 457477883 is a prime.

It is a super-2 number, since 2×4574780112 = 418572261097032242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457478017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337195 + ... + 338548.

It is an arithmetic number, because the mean of its divisors is an integer number (114538608).

Almost surely, 2457478011 is an apocalyptic number.

457478011 is a deficient number, since it is larger than the sum of its proper divisors (676421).

457478011 is an equidigital number, since it uses as much as digits as its factorization.

457478011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676420.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 457478011 is about 21388.7356101290. The cubic root of 457478011 is about 770.5309269128.

The spelling of 457478011 in words is "four hundred fifty-seven million, four hundred seventy-eight thousand, eleven".

Divisors: 1 677 675743 457478011