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1493002368 = 273411131953
BaseRepresentation
bin101100011111101…
…0110100010000000
310212001100101020000
41120333112202000
511024202033433
6404052120000
751666211404
oct13077264200
93761311200
101493002368
116a6840860
12358006000
131aa412170
14102401104
158b116113
hex58fd6880

1493002368 has 640 divisors, whose sum is σ = 5598331200. Its totient is φ = 388177920.

The previous prime is 1493002367. The next prime is 1493002391. The reversal of 1493002368 is 8632003941.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1493002361) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28169830 + ... + 28169882.

Almost surely, 21493002368 is an apocalyptic number.

1493002368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493002368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2799165600).

1493002368 is an abundant number, since it is smaller than the sum of its proper divisors (4105328832).

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

1493002368 is a wasteful number, since it uses less digits than its factorization.

1493002368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1493002368 is about 38639.3888150421. The cubic root of 1493002368 is about 1142.9314030794.

The spelling of 1493002368 in words is "one billion, four hundred ninety-three million, two thousand, three hundred sixty-eight".