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493044957 = 3254782773
BaseRepresentation
bin11101011000110…
…100010011011101
31021100202021112100
4131120310103131
52002204414312
6120531355313
715134545566
oct3530642335
91240667470
10493044957
11233346a79
12119152b39
137b1bb4a2
14496a516d
152d4425dc
hex1d6344dd

493044957 has 6 divisors (see below), whose sum is σ = 712176062. Its totient is φ = 328696632.

The previous prime is 493044953. The next prime is 493044977. The reversal of 493044957 is 759440394.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 375235641 + 117809316 = 19371^2 + 10854^2 .

It is not a de Polignac number, because 493044957 - 22 = 493044953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493044953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27391378 + ... + 27391395.

Almost surely, 2493044957 is an apocalyptic number.

It is an amenable number.

493044957 is a deficient number, since it is larger than the sum of its proper divisors (219131105).

493044957 is a wasteful number, since it uses less digits than its factorization.

493044957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54782779 (or 54782776 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 493044957 is about 22204.6156688199. The cubic root of 493044957 is about 790.0031816354.

The spelling of 493044957 in words is "four hundred ninety-three million, forty-four thousand, nine hundred fifty-seven".

Divisors: 1 3 9 54782773 164348319 493044957