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493468440 = 23354112237
BaseRepresentation
bin11101011010011…
…011101100011000
31021101112210102220
4131122123230120
52002311442230
6120544424040
715141261333
oct3532335430
91241483386
10493468440
11233606163
12119318020
137b30917a
144977561a
152d4c7d10
hex1d69bb18

493468440 has 32 divisors (see below), whose sum is σ = 1480405680. Its totient is φ = 131591552.

The previous prime is 493468433. The next prime is 493468441. The reversal of 493468440 is 44864394.

It is a super-2 number, since 2×4934684402 = 487022202552067200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 493468392 and 493468401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493468441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055999 + ... + 2056238.

Almost surely, 2493468440 is an apocalyptic number.

493468440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

493468440 is an abundant number, since it is smaller than the sum of its proper divisors (986937240).

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

493468440 is a wasteful number, since it uses less digits than its factorization.

493468440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112251 (or 4112247 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 493468440 is about 22214.1495448284. The cubic root of 493468440 is about 790.2292983916.

The spelling of 493468440 in words is "four hundred ninety-three million, four hundred sixty-eight thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4112237 8224474 12336711 16448948 20561185 24673422 32897896 41122370 49346844 61683555 82244740 98693688 123367110 164489480 246734220 493468440