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457145622 = 23225396979
BaseRepresentation
bin11011001111110…
…111110100010110
31011212012101220100
4123033313310112
51414012124442
6113210114530
714220450033
oct3317676426
91155171810
10457145622
112150572aa
1210911ba46
137392c28b
14449dc38a
152a20084c
hex1b3f7d16

457145622 has 12 divisors (see below), whose sum is σ = 990482220. Its totient is φ = 152381868.

The previous prime is 457145609. The next prime is 457145639. The reversal of 457145622 is 226541754.

It is a happy number.

457145622 is a `hidden beast` number, since 457 + 145 + 62 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12698472 + ... + 12698507.

It is an arithmetic number, because the mean of its divisors is an integer number (82540185).

Almost surely, 2457145622 is an apocalyptic number.

457145622 is an abundant number, since it is smaller than the sum of its proper divisors (533336598).

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

457145622 is a wasteful number, since it uses less digits than its factorization.

457145622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25396987 (or 25396984 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 457145622 is about 21380.9640100721. The cubic root of 457145622 is about 770.3442672616.

The spelling of 457145622 in words is "four hundred fifty-seven million, one hundred forty-five thousand, six hundred twenty-two".

Divisors: 1 2 3 6 9 18 25396979 50793958 76190937 152381874 228572811 457145622