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457820925 = 3526104279
BaseRepresentation
bin11011010010011…
…100101011111101
31011220110201020120
4123102130223331
51414200232200
6113232405153
714226261612
oct3322345375
91156421216
10457820925
11215478701
121093a67b9
1373b07773
1444b36509
152a2d59a0
hex1b49cafd

457820925 has 12 divisors (see below), whose sum is σ = 756930720. Its totient is φ = 244171120.

The previous prime is 457820917. The next prime is 457820929. The reversal of 457820925 is 529028754.

It is not a de Polignac number, because 457820925 - 23 = 457820917 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457820929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3052065 + ... + 3052214.

It is an arithmetic number, because the mean of its divisors is an integer number (63077560).

Almost surely, 2457820925 is an apocalyptic number.

It is an amenable number.

457820925 is a deficient number, since it is larger than the sum of its proper divisors (299109795).

457820925 is a wasteful number, since it uses less digits than its factorization.

457820925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104292 (or 6104287 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 457820925 is about 21396.7503373760. The cubic root of 457820925 is about 770.7234023574.

The spelling of 457820925 in words is "four hundred fifty-seven million, eight hundred twenty thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 6104279 18312837 30521395 91564185 152606975 457820925