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457343458 = 211213373929
BaseRepresentation
bin11011010000101…
…000000111100010
31011212120110021121
4123100220013202
51414034442313
6113214242454
714222232565
oct3320500742
91155513247
10457343458
11215181a00
121091b642a
137399b340
1444a504dc
152a23e28d
hex1b4281e2

457343458 has 48 divisors (see below), whose sum is σ = 834213240. Its totient is φ = 186658560.

The previous prime is 457343443. The next prime is 457343459. The reversal of 457343458 is 854343754.

It can be written as a sum of positive squares in 4 ways, for example, as 328225689 + 129117769 = 18117^2 + 11363^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (457343459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114438 + ... + 118366.

Almost surely, 2457343458 is an apocalyptic number.

457343458 is a deficient number, since it is larger than the sum of its proper divisors (376869782).

457343458 is a wasteful number, since it uses less digits than its factorization.

457343458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003 (or 3992 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The square root of 457343458 is about 21385.5899614670. The cubic root of 457343458 is about 770.4553768962.

The spelling of 457343458 in words is "four hundred fifty-seven million, three hundred forty-three thousand, four hundred fifty-eight".

Divisors: 1 2 11 13 22 26 37 74 121 143 242 286 407 481 814 962 1573 3146 3929 4477 5291 7858 8954 10582 43219 51077 58201 86438 102154 116402 145373 290746 475409 561847 950818 1123694 1599103 1889849 3198206 3779698 6180317 12360634 17590133 20788339 35180266 41576678 228671729 457343458