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457304420 = 225171345013
BaseRepresentation
bin11011010000011…
…110100101100100
31011212111110201202
4123100132211210
51414032220140
6113213342032
714222011016
oct3320364544
91155443652
10457304420
11215155641
12109197918
1373986641
1444a401b6
152a232915
hex1b41e964

457304420 has 24 divisors (see below), whose sum is σ = 1016830584. Its totient is φ = 172161536.

The previous prime is 457304399. The next prime is 457304459. The reversal of 457304420 is 24403754.

It can be written as a sum of positive squares in 4 ways, for example, as 40246336 + 417058084 = 6344^2 + 20422^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672167 + ... + 672846.

It is an arithmetic number, because the mean of its divisors is an integer number (42367941).

Almost surely, 2457304420 is an apocalyptic number.

It is an amenable number.

457304420 is an abundant number, since it is smaller than the sum of its proper divisors (559526164).

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

457304420 is a wasteful number, since it uses less digits than its factorization.

457304420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345039 (or 1345037 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 457304420 is about 21384.6772245924. The cubic root of 457304420 is about 770.4334547191.

The spelling of 457304420 in words is "four hundred fifty-seven million, three hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1345013 2690026 5380052 6725065 13450130 22865221 26900260 45730442 91460884 114326105 228652210 457304420