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457370420 = 2251310117417
BaseRepresentation
bin11011010000101…
…110101100110100
31011212121211021012
4123100232230310
51414041323140
6113215011352
714222404313
oct3320565464
91155554235
10457370420
112151a0191
12109209b58
13739aa6b0
1444a5a27a
152a247265
hex1b42eb34

457370420 has 48 divisors (see below), whose sum is σ = 1044661968. Its totient is φ = 167193600.

The previous prime is 457370371. The next prime is 457370437. The reversal of 457370420 is 24073754.

It can be written as a sum of positive squares in 8 ways, for example, as 39413284 + 417957136 = 6278^2 + 20444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17552 + ... + 34968.

It is an arithmetic number, because the mean of its divisors is an integer number (21763791).

Almost surely, 2457370420 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 457370420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522330984).

457370420 is an abundant number, since it is smaller than the sum of its proper divisors (587291548).

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

457370420 is a wasteful number, since it uses less digits than its factorization.

457370420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540 (or 17538 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 457370420 is about 21386.2203299227. The cubic root of 457370420 is about 770.4705169471.

The spelling of 457370420 in words is "four hundred fifty-seven million, three hundred seventy thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 101 130 202 260 404 505 1010 1313 2020 2626 5252 6565 13130 17417 26260 34834 69668 87085 174170 226421 348340 452842 905684 1132105 1759117 2264210 3518234 4528420 7036468 8795585 17591170 22868521 35182340 45737042 91474084 114342605 228685210 457370420