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457316642 = 21259181619
BaseRepresentation
bin11011010000100…
…001100100100010
31011212112002111102
4123100201210202
51414033113032
6113213514402
714222061446
oct3320414442
91155462442
10457316642
11215163842
121091a2a02
137398c083
1444a44826
152a236362
hex1b421922

457316642 has 8 divisors (see below), whose sum is σ = 686523600. Its totient is φ = 228475444.

The previous prime is 457316617. The next prime is 457316647. The reversal of 457316642 is 246613754.

It is a happy number.

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

It is a super-2 number, since 2×4573166422 = 418277022100312328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457316596 and 457316605.

It is not an unprimeable number, because it can be changed into a prime (457316647) 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 3 ways as a sum of consecutive naturals, for example, 88292 + ... + 93327.

It is an arithmetic number, because the mean of its divisors is an integer number (85815450).

Almost surely, 2457316642 is an apocalyptic number.

457316642 is a deficient number, since it is larger than the sum of its proper divisors (229206958).

457316642 is a wasteful number, since it uses less digits than its factorization.

457316642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182880.

The product of its digits is 120960, while the sum is 38.

The square root of 457316642 is about 21384.9629880437. The cubic root of 457316642 is about 770.4403182389.

The spelling of 457316642 in words is "four hundred fifty-seven million, three hundred sixteen thousand, six hundred forty-two".

Divisors: 1 2 1259 2518 181619 363238 228658321 457316642