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457450 = 25271307
BaseRepresentation
bin1101111101011101010
3212020111121
41233223222
5104114300
613445454
73613450
oct1575352
9766447
10457450
11292764
121a088a
131302a6
14bc9d0
159081a
hex6faea

457450 has 24 divisors (see below), whose sum is σ = 973152. Its totient is φ = 156720.

The previous prime is 457433. The next prime is 457459. The reversal of 457450 is 54754.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (457459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (40548).

2457450 is an apocalyptic number.

457450 is an abundant number, since it is smaller than the sum of its proper divisors (515702).

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

457450 is a wasteful number, since it uses less digits than its factorization.

457450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 457450 is about 676.3505008500. The cubic root of 457450 is about 77.0515200268.

It can be divided in two parts, 4574 and 50, that added together give a square (4624 = 682).

The spelling of 457450 in words is "four hundred fifty-seven thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1307 2614 6535 9149 13070 18298 32675 45745 65350 91490 228725 457450