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493382457 = 323761107227
BaseRepresentation
bin11101011010000…
…110101100111001
31021101101102111100
4131122012230321
52002301214312
6120542522013
715140452551
oct3532065471
91241342440
10493382457
112335575a7
12119296309
137b2a8ca9
1449752161
152d4ac5dc
hex1d686b39

493382457 has 48 divisors (see below), whose sum is σ = 754183872. Its totient is φ = 310469760.

The previous prime is 493382441. The next prime is 493382489. The reversal of 493382457 is 754283394.

It is not a de Polignac number, because 493382457 - 24 = 493382441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493382437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2173378 + ... + 2173604.

It is an arithmetic number, because the mean of its divisors is an integer number (15712164).

Almost surely, 2493382457 is an apocalyptic number.

It is an amenable number.

493382457 is a deficient number, since it is larger than the sum of its proper divisors (260801415).

493382457 is a wasteful number, since it uses less digits than its factorization.

493382457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 435 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 493382457 is about 22212.2141399726. The cubic root of 493382457 is about 790.1833986427.

The spelling of 493382457 in words is "four hundred ninety-three million, three hundred eighty-two thousand, four hundred fifty-seven".

Divisors: 1 3 9 37 61 107 111 183 227 321 333 549 681 963 2043 2257 3959 6527 6771 8399 11877 13847 19581 20313 24289 25197 35631 41541 58743 72867 75591 124623 218601 241499 512339 724497 898693 1481629 1537017 2173491 2696079 4444887 4611051 8088237 13334661 54820273 164460819 493382457