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457304542 = 21491534579
BaseRepresentation
bin11011010000011…
…110100111011110
31011212111110220021
4123100132213132
51414032221132
6113213342354
714222011252
oct3320364736
91155443807
10457304542
11215155742
121091979ba
1373986706
1444a40262
152a232997
hex1b41e9de

457304542 has 8 divisors (see below), whose sum is σ = 690561000. Its totient is φ = 227117544.

The previous prime is 457304537. The next prime is 457304543. The reversal of 457304542 is 245403754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 457304498 and 457304507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457304543) 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, 766992 + ... + 767587.

It is an arithmetic number, because the mean of its divisors is an integer number (86320125).

Almost surely, 2457304542 is an apocalyptic number.

457304542 is a deficient number, since it is larger than the sum of its proper divisors (233256458).

457304542 is a wasteful number, since it uses less digits than its factorization.

457304542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534730.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 457304542 is about 21384.6800771019. The cubic root of 457304542 is about 770.4335232313.

The spelling of 457304542 in words is "four hundred fifty-seven million, three hundred four thousand, five hundred forty-two".

Divisors: 1 2 149 298 1534579 3069158 228652271 457304542