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457132986 = 232103924443
BaseRepresentation
bin11011001111110…
…100101110111010
31011212011202120100
4123033310232322
51414011223421
6113205540230
714220365142
oct3317645672
91155152510
10457132986
11215048862
12109114676
13739265bb
14449d7922
152a1ebc26
hex1b3f4bba

457132986 has 24 divisors (see below), whose sum is σ = 991448640. Its totient is φ = 152224776.

The previous prime is 457132943. The next prime is 457133023. The reversal of 457132986 is 689231754.

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 11 ways as a sum of consecutive naturals, for example, 6481 + ... + 30923.

It is an arithmetic number, because the mean of its divisors is an integer number (41310360).

Almost surely, 2457132986 is an apocalyptic number.

457132986 is an abundant number, since it is smaller than the sum of its proper divisors (534315654).

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

457132986 is a wasteful number, since it uses less digits than its factorization.

457132986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490 (or 25487 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 457132986 is about 21380.6685115316. The cubic root of 457132986 is about 770.3371694796.

The spelling of 457132986 in words is "four hundred fifty-seven million, one hundred thirty-two thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 1039 2078 3117 6234 9351 18702 24443 48886 73329 146658 219987 439974 25396277 50792554 76188831 152377662 228566493 457132986