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457290460 = 225112233811
BaseRepresentation
bin11011010000011…
…011001011011100
31011212110202120201
4123100123023130
51414031243320
6113213153244
714221622224
oct3320331334
91155422521
10457290460
11215146100
1210918b824
1373980193
1444a39084
152a22d70a
hex1b41b2dc

457290460 has 72 divisors (see below), whose sum is σ = 1061384688. Its totient is φ = 165369600.

The previous prime is 457290451. The next prime is 457290479. The reversal of 457290460 is 64092754.

It is a super-2 number, since 2×4572904602 = 418229129614023200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563455 + ... + 564265.

It is an arithmetic number, because the mean of its divisors is an integer number (14741454).

Almost surely, 2457290460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457290460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530692344).

457290460 is an abundant number, since it is smaller than the sum of its proper divisors (604094228).

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

457290460 is a wasteful number, since it uses less digits than its factorization.

457290460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 457290460 is about 21384.3508201675. The cubic root of 457290460 is about 770.4256150394.

The spelling of 457290460 in words is "four hundred fifty-seven million, two hundred ninety thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 233 242 466 484 605 811 932 1165 1210 1622 2330 2420 2563 3244 4055 4660 5126 8110 8921 10252 12815 16220 17842 25630 28193 35684 44605 51260 56386 89210 98131 112772 140965 178420 188963 196262 281930 377926 392524 490655 563860 755852 944815 981310 1889630 1962620 2078593 3779260 4157186 8314372 10392965 20785930 22864523 41571860 45729046 91458092 114322615 228645230 457290460